Phasing the X Chromosome

This is my 3rd Blog on the X Chromosome. In my first blog, I wrote about a large match my sister Sharon had with a previously unknown woman named Karen and where it likely came from along the lines of my Irish Frazer ancestors. In the next Blog I wrote more about that match and how Charlotte who was already in the Frazer DNA project matched and triangulated with my sister Sharon and Karen. My earlier posts:

The Nexus of X’s

The X Factor – Part 2

What is DNA Phasing?

DNA phasing is determining which side your DNA matches are on. According to ISOGG which is generally my standard reference source:

…it is the process of trying to determine which DNA came from the mother, and which came from the father. The term is usually applied to types of DNA that recombine, such as autosomal DNA or the X-chromosome. The benefit of phasing is being able to identify which ancestor a segment was inherited from.

In this blog I’ll just be writing about the X-chromosome phasing.

My Easy Male X Phasing

For males, the phasing is easy. I got all my only X-chromosome from my mother. That means my X is already phased. That’s the good news. The bad news is that I have hardly any X matches. I have 8 X matches at Gedmatch above 10 cM. This is not counting my mom and 2 sisters. However 4 of those 8 have the same email address. That means that it is likely that they are related to each other. Here are my top 8 non-immediate family X matches from Gedmatch.com:

Joel X Match Gedmatch

As I mentioned they are already phased as they are all from my mom. Here are a few observation on my few X matches (which Gedmatch labels Chr 23):

  • It appears that matches 3-7 match each other. This may be verified by performing a ‘one to one’ analysis at gedmatch. If they match each other, that would mean they triangulate and come from a common set of ancestors. When I checked match 3 against match 4, it appears that they are closely related as I expected. When I checked match 3 against the shorter match 7, I show a match. That means, as expected, I appear to be in a triangulation group with the 4 in the same family plus match #7.
  • From the details which are not shown, 7 of the 8 of these are from Ancestry. I am able to email these people and if they respond I may be able to see their Ancestry Trees and determine where these matches may be.
  • Matches 1, 2, and 8 show little to no overlap with each other and show no overlap with the larger group of matches.

Phasing My Sister’s DNA

In order to see any Paternal X matches, I will have to go to my sisters’ results. Each of my sisters got an X Chromosome from my dad. In fact, what they got from my dad was the same X that he got from his mom unchanged. But before, we get to my sisters’ paternal X, we’ll look at the maternal. My sisters also each received an X Chromosome from our mother.

My Sister’s X Maternally Phased

Wherever I match my sisters, this would also have to represent their maternal matches. So in a sense I am being used to maternally phase my sisters. Here is how I match them using the same gedmatch browser.

Joel's matches with Heidi and Sharon

Here, my #1 and #2 matches are my sisters Heidi and Sharon. Matches 3-10 are the same as my old matches 1-8 above. A few notes:

  • The colored segments in #1 and #2 represent the maternal X matches I share with my 2 sisters.
  • This shows how my sisters match my numbers 8, 9, and 10 matches.
  • Remember my cluster of matches that I thought should triangulate? Heidi (#1) doesn’t clearly match that group, but my sister Sharon (#2) does.
  • On the top right, I match my sisters, but we match none of my other matches below. I suspect that has to do with my mother’s father. He immigrated to the U.S. from Latvia in the early 1900’s and has very few DNA matches that I have found so far. When I search for Rathfelder or Gangnus in my DNA matches, I haven’t found anything so far. Some of the more distant German ancestors names come up, but not these.
  • Just looking at the groupings with my sisters, there are 4 different groupings. These represent segments my mother inherited from some of her ancestors. I say some, because she inherited no X from her father’s father. X is never passed down from father to son.

How Is This Helpful?

It is always helpful to know whether a match is on the maternal or paternal side. This eliminates half of your matches. DNA analysis can be looked at as a narrowing down process. Narrowing down 1/2 of many thousand autosomal matches can save a lot of time. However X Chromosome matches narrow down further. If there is a maternal X match, I know that it has to be in the following blue or pink areas of my mother’s ancestors.

Mom's X Inheritance

These matches are even narrowed down further. That is because in order to have a true X match you have to show that the person you are matching is also matching on the X Inheritance portion (pink or blue) of their own chart.

Finally, here are all my X matches from Gedmatch (except for my mom). There is a reason I’m showing you this.

X Match Joel All

Now I see 5 groupings.

  • In the second grouping under my longest match with #1 (Heidi), there are 2 subgroupings. These likely represent older families beneath the more recent family above them.
  • The 4th group (of one) #25 only matches me and no one else – not even my sisters.
  • Now look at my mother’s pink and blue chart above. At her great grandparent level, there are 5 people she could have gotten her X Chromosomes from. These are Gangnus, Lütke, Baker, Nicholson, and Ellis. It is possible that these 5 segments represent those families.
  • As I mentioned above, I have not come up with the surname Gangnus in any of my DNA searches so far. That tells me that Group 5 or the top right match with only my 2 sisters and no one else could represent the X Chromosome portion that we received from my mother’s great grandfather. He was Johann Philipp Gangnus born on 22 May 1829 at Hirschenhof, Latvia.

One of the reasons that I’m looking at my X results in such detail is that I don’t have many of them. The male X matches can be more significant that the female X matches. This is because the male’s matches are already phased. At a lower cM level, they are more likely to be real matches.

A Second Look: Phasing by Ancestry Composition

In my 5 grouping theory above, I guessed that I may have inherited all 5 of my mother’s possible X match families. Unfortunately, I have reason to doubt that. One reason is, that in my limited reading on the subject, the X Chromosome can be quirky and come down as an all or nothing thing. In other words, it would be unlikely that I would inherit all of these families’ X Chromosomes.

Not many companies look at the ancestry composition of the X Chromosome. I’m not sure why. I’ve tested at 23andme and they do. 23andme shows me as the following, taking into consideration all Chromosomes (1-22) and the X Chromosome:

23andme joel ancestry composition

This information is put on a chromosome browser. Note that there is a maternal and paternal section of the browser. Unfortunately, not having my mom tested at 23andme, I can’t tell which half is maternal and which is paternal. Also note there is just one line for the X Chromosome which for me is the only possible maternally matched X Chromosome.

joel 23andme chromosome browser ancestry

It is difficult to make out the differences in the blues, but when I look at the French and German side, I get the entire X Chromosome as well as some other chromosomes. As far as I know, my Nicholson and Ellis ancestors were from deep within England. If 23andme is right, it seems to indicate that I didn’t get any Nicholson or Ellis X Chromosome or it would show some X Ancestry as being British & Irish. My mother’s other X ancestors were German – either of late or from around colonial Philadelphia.

This means that I would have to go back another generation on the pink and blue chart above. This represents my mother’s 2nd great grandparents. When I take out the Nicholson and Ellis families, that still leaves me with 5 German families: Biedermann, Luetke, Fuhrmann, Baker and Faunce. My suspicions seem to be confirmed by my second cousin. Judy has tested at 23andme.

Judy, Where’s Our X Match?

Judy and I have many matches, but none on the X Chromosome. Based on the X Chromosome inheritance, I’m in line to share an X with her from our Nicholson ancestors. There are 3 possible reasons we may not share an X match: 1) my Nicholson X dropped out; 2) her Nicholson X dropped out; or 3) both of our Nicholson X’s dropped out! Perhaps Judy will upload her results to Gedmatch.com and we will be able to figure out more on how we match or don’t match based on my 2 sisters’ matches with her.

Judy and Me X

Above is the chart showing that Judy and I could share an X, but according to 23andme, we don’t. A few notes on this chart:

  • Judy and I have the potential to share Annie Nicholson’s X chromosome.
  • Jacob Lentz’ X makes it down to me (through Emma), but not down to Judy.
  • Wm Nicholson Lentz got his only X from his Nicholson mother
  • My grandmother Emma had a recombined X from her parents. Likewise my mom had a recombined X from her parents.
  • Likewise Judy’s mother had recombined X from her grandparents, and Judy had recombined X from her parents.
  • That means between Judy and me, Annie Nicholson’s X chromosome could have recombined at total of 4 times (2 on each side).
  • When I say recombined, I mean potentially recombined. The X sometimes ‘decides’ not to combine. Apparently that happened on one or both sides as Judy and I don’t share any or Annie’s red X Chromosome.

On To the Male Phasing of the X Chromosome

This is where I drop out. As a male I’m pretty useless. (I left that one wide open.) I’ll have to switch to my sisters’ matches now. One way to find out my sisters’ male phased X Chromosomes would be to compare their matches to a cousin. Unfortunately, I didn’t get my paternal cousin to test. I emailed, but got no response. Here’s how it would’ve worked out:

X from Paternal Cousin

The red shows that my sister and her paternal 1st cousin would share my father’s mother’s X Chromosome inheritance. But how would we ever find the X for my father’s father? The answer is that we couldn’t for my sisters because they only got my father’s X that he got from his mother which is unrecombined Frazer DNA. However, I have had my father’s 1st male cousin tested. He inherited an X from his mother who was a Hartley (my grandfather’s sister). So his X Chromosome should match with my paternal first cousin’s X Chromosome. This is because my Aunt got her Hartley X Chromosome from her father. And he got his from his mother who was a Snell. So it still doesn’t get at the Hartley Chromosome so much but gets closer to that side.

I think this is what ISOGG means when it simply says:

To phase your X-chromosome, all you need is knowledge of your ancestry.

It seems you need knowledge of your ancestry plus a lot of testing.

Any Other Ideas?

As I look at my spreadsheet for Heidi, her results from gedmatch are phased. How did this happen? Here is a portion of the chart:

Heidi's Phased X

Here the blue would be paternal X and the pink is maternal for Heidi’s matches. The large 56.2 match was discussed in my previous blogs and was believed to be from the Frazer side (which is my family’s paternal side). When I got my sister’s raw DNA results and uploaded them to gedmatch, I had them phased. Gedmatch has a program that takes your results and one of your parents and based on those results puts your results into a paternal file and a maternal file. I took the maternal side and ran all the matches at gedmatch. Then I took the paternal side of Heidi’s matches and ran all the matches. I combined the 2 and voilà got one file showing paternal and maternal matches for Heidi. This worked for Chromosomes 1-22 as well as the X Chromosome.

Sharon’s X Matches

Sharon's X Matchs

Here the matches to my sister Sharon with a Kit # are from Gedmatch. The other matches are from FTDNA. For some reason I didn’t get around to adding Heidi’s FTDNA matches. The 96.4 cM match is between Sharon and our mom. Blue shaded matches are Paternal and pink are Maternal.

Check Your Work

When I was in school, I was told to ‘check your work’. Here under Sharon’s match with A111074, I have a note on my spreadsheet that something doesn’t seem to add up. In this case, there are 2 ways to check if a particular match should be a paternal or maternal match.

  1. If I have the same match, as a male, that would have to be a maternal match for Sharon.
  2. I have Sharon phased. I can check Sharon’s maternal and paternal phased kits and see which one matches A111074.

From my spreadsheet, here is my X match with A111074

Joel's X match with Alice

Oops, A111074 matches me. That means she has to match Sharon on my mom’s side. When I check A111074 against Sharon’s phased kits, she matches Sharon’s maternal phased kit and not the paternal phased kit. So I need to correct this match of Sharon from paternal to maternal.

What If You Don’t Have a Parent to Test?

Having a parent to test can make the phasing part easy. If you don’t have a parent to test there are some other options:

  • Test cousins that would have shared X matches as mentioned above
  • Women may test a brother to find maternal only X matches
  • Triangulate to find groups. These groups will be either maternal or paternal – however your won’t know which. If you determine on maternal or paternal match in the group, the others will be the same.
  • If your parents are from different backgrounds the paternal or maternal aspect may sort out by matching others of those backgrounds. The fact that my X Chromosome seems to be all German as shown above is one example of how to do this. Another example would be my mother in law. Her mother’s side of the family was from Newfoundland. Her father’s side was from Prince Edward Island. She has a lot of matches with people with ancestors from these 2 places. In most cases that sorts out her matches into maternal or paternal – depending from which island they were from.

In summary:

  • All autosomal DNA has a maternal and paternal side. The one exception is the male tester’s X Chromosome. His is all maternal.
  • Knowing if your matches are maternal or paternal takes away a lot of guesswork in your matches.
  • Knowing your own X inheritance pattern as well as your match’s X inheritance pattern will give clues to where that match could be.

Starting to Map My DNA

One of my goals is to map my DNA. The human genome has been mapped. I just want to see where my DNA matches with my ancestors. Kitty Cooper has developed a tool for this. The idea is to associate as much of your DNA as you can to ancestors. Then these portions of the DNA associated to your ancestors are mapped with different colors. My paternal grandmother was a Frazer, so her DNA should account for about 25% of my DNA. The map splits up each Chromosome between Paternal and Maternal, so my DNA from my Frazer grandmother would take up about half of my Paternal side.

One way to determine DNA ancestors is by triangulation. I did this in an early [misnamed] blog called, “The DNA of Archibald Frazer and Mary Lilly”. I say misnamed, because at the time those were the 2 ancestors I thought my triangulation group was pointing to. In a subsequent blog, How I Added 2 Frazer Lines by DNA, I realized that this group more likely pointed to a couple a generation later: That was Richard Frazer and his wife. He was b. around 1777.

Based on the fact that I was in one of the 2 triangulation groups that pointed to Richard Frazer (and unknown wife) I could create a chromosome map. It wouldn’t be too interesting, but it would be a start.

1st Chromosome Map

This chromosome is all blank except for Chromosome #12. There, I put my triangulated matches into a spreadsheet. The matches were to David and Bill from Canada and Jane from Colorado. My 2 sisters also matched these Frazer descendants. It would have been more interesting if I had mapped my sister, Heidi as she at least had triangulated with the same couple at Chomosome #1. Plus she had higher matches with other Frazer descendants in general. Speaking of Heidi, in my previous misnamed blog I showed this graphic from Gedmatch:

Frazer Chr12

Theses are Heidi’s matches on Chromosome #12. She had the same matches as me. She has David (#2), Jane (#3) and Bill, (#4). I am showing as Heidi’s long segment match at #1. This red segment is what I have in common with my sister and is the DNA we both received from our father, though he is long gone and hasn’t been tested for DNA. I know that it must be from him, because he is the one that I get my Frazer DNA from. In fact, that DNA must be from his mother, who was a Frazer. Remember, I should have 25% of my DNA from her. So it stands to reason that the unbroken red match I have with my sister represents my Frazer Grandmother’s DNA.

By the way, this is the backwards way of doing things. The more standard way to map your DNA takes a lot more testing. First you test your parents to get maternal and paternal sides. Then test 2nd cousins on both sides. This will isolate your 4 grandparents. What I have done is tested my mother. I phased her at Gedmatch to get my maternal and paternal matches. I had my father’s first cousin tested. This is similar, but better than testing a 2nd cousin. He represents my father’s father’s side. But not all of it. Many Frazers have tested in the DNA project, but my closest relative in that testing project appears to be a 4th cousin, once removed. On my mother’s side, I’m having trouble getting people to test and/or upload to Gedmatch. So I will go with my current reasoning until I’m proven wrong.

I’ll put a face on that Frazer DNA. Here’s my grandma, nee Frazer.

Marion Frazer Photo

Here’s another Chromosome (10) where my 2 sisters match a Frazer descendant, MFA. We don’t triangulate, but based on genealogy, we’ll say there is a common Frazer ancestor or collateral line there somewhere.

The spreadsheet match looks like this:

Hartley MFA match Chr 10

The Chromosome browser version looks like this:

Sharonn Heidi MFA Chr 10 Gedmatch Browser

Here Line 1 and 2 are my 2 sisters Sharon and Heidi shown as they match to me. #3 is MFA, my 4th cousin, once removed. Using the same reasoning as above, I’ll say that the orange segment, top right, should also represent my Frazer grandmother. The orange on the left doesn’t. I actually match there to a cousin on my Hartley (non-Frazer) side. When I map this, I can map this to my father’s Hartley father.

Back to Chromosome Mapping Basics

The instructions for Chromosome mapping are to:

  • Test relatives or find relatives who have tested at Gedmatch, FTDNA or 23andme. Unfortunately AncestryDNA won’t work as they don’t tell you where you match on the chromosome. Thus no chromosome mapping for these AncestryDNA matches unless they upload their results to Gedmatch.com
  • Figure out if those relatives are from your maternal or paternal side
  • Figure out who the common ancestors are for your matches
  • Put this information in a file
  • Use the Kitty Munson application to make a map

The relatives I used for this chromosome map

  • My father’s cousin Jim – his mom was a Hartley. Our common ancestors are my Hartley great grandparents. He shows in the dark blue below
  •  I found cousin Judy at 23andme. It pays to have DNA tested at different places. Our Most Recent Common Ancestors (MRCAs) are also great grandparent – this time on the maternal side. They will show as red – my Philadelphia ancestors. Up until recently I had virtually nothing on the maternal side of this map.
  • Various more distant Frazer relatives. The sure ancestors are the ones triangulated. Others are less sure. Once results come back for my 2nd cousin once removed, the chromosome map will look better.

2nd Chromosome Map

As you can see, most of my map is paternal. Chromosome #12 in dark green is the one I mentioned earlier where my grandmother’s Frazer’s DNA probably goes the length of that chromosome. I didn’t map her, as technically, I don’t have her as a most common ancestor based on people that I have tested.

Other things to notice:

  • Chromosome #1 shows where there are overlaps in paternal and maternal matches. Sorting your matches into maternal and paternal is one of the most important things in DNA matching. If you get that wrong, everything else is off track.
  • I mapped as the Archibald Frazer line those matches I had with MFA where I’m not positive on the MRCA between us.
  • I mapped as the James Frazer line, the match I have with Bonnie who is related on that line.
  • Some people use these maps to show all matches they have to a certain location – French Canadian, for example where they aren’t sure of all the details.
  • This is my own personal map. Everyone’s map would look different.
  • It would be possible to create a chromosome map for my father. This could be based on his Lazarus file. In that map, his Frazer ancestors would be on his maternal (mother’s) side. This map would show more matches as it would include the matches from my 2 sisters.
  • Chromosome mapping is a way to show a lot of complicated information in a simple way.

So all I have to do now is fill in the rest of the blanks!

Why Test the Y?

In this blog, I want to look at YDNA. This is different from the previous blogs where we were looking at the autosomal DNA or the atDNA. The autosomal DNA is good for going back about 200-250 years. If you are lucky, it may go back some more. Also the atDNA is for both your parents and all of the parents of those parents. When you take the Family Finder test or AncestryDNA test or similar this is what you are taking. And when you get matches, you are getting matches to all of your ancestors. These are matching with everyone else’s ancestors. Not only that, these matches may represent matches with the descendants of those ancestors that not many people even know about. It is like finding a needle in a haystack.

The YDNA is much different. It just follows the father’s father’s father’s line. All the way back. Back to genetic Adam. I look at it like a LASER type of test vs. the scatter gun approach of the atDNA test.

There has been only one tester so far for YDNA in the Frazer DNA project. There is a reason that we only have one tester so far. In order for the YDNA test to be significant for the Frazer DNA project, you have to be a male Frazer. It turns out that there are relatively few of these male line Frazers around that are available and willing to test their DNA. My second cousin once removed, who is a Frazer, has recently agreed to test his DNA. His grandfather followed my great grandfather’s lead in coming to Boston, Massachusetts from Ballindoon, County Sligo, Ireland. So I’m anxious to see how his YDNA matches with our first tester and whether this proves an unbroken line between the 2 branches of our Irish Frazers back to the early 1700’s.

STRs, Genetic Distance, SNPs and Haplotypes

Our first tester tested for 37 STRs. STRs are Short Tandem Repeats. This is now the basic test at Family Tree DNA (FTDNA). However, at one time they were testing down to 12 or 25. These results are listed on the Fraser and Septs web page. According to that page, there are 1875 members. Our Frazer YDNA tester STR results are listed here.

Fraser YDNA Results

As you see, there are a lot of numbers. Everything seems to be reduced to numbers nowadays! These are the results for the R1a1 people in the Frazer group. There are only 3 people out of what I can only assume are 1,000 or more Frazer YDNA testers. The first R1a1 person is our tester. You see he has put down Archibald Frazer b. 1690 as his ancestor. The next tester also tested 37 STRs and the 3rd tested only 25 STRs. Note that all the testers spell their Frazer with a Z.

Each number in the chart stands for a different location on the YDNA. Taken together, these numbers create a YDNA type of fingerprint. The more STRs tested, the more specific the fingerprint. These locations were chosen as areas that are likely to change. The difference between the numbers of any 2 people is called the GD or Genetic Distance. This is a rough estimate of relationship. It is also a bit relative. Say someone has a GD of one when comparing two 111 STR tests vs. two 37 STR test. The GD of one for the 111 STR test comparison represents a much closer match. Here’s a closer look at the first 25 STRs of the R1a1 Frazers:

STR Locations

Frazer YDNA 25

The heading I put in doesn’t quite line up but are the locations of the STRs being tested. The first row below the heading is the maximum number for the STR. The second row is the minimum. The third row is the mode or the typical number. The purple numbers are below the mode and the pink numbers are above the mode. So our Frazer can be said to be a GD of 7 from the mode. This is because in the 7th column there is a difference of 2. All the other differences are one. For a GD of one in a 37 STR test, Family Tree gives the following chances of having a common ancestor:

Tip Chart GD1

Our current YDNA Frazer tester’s closest match is a GD of 1 match with a Frizelle. Perhaps this Frizelle was once a Frazer that changed his name to Frizelle. Or perhaps our Frazer name was once Frizelle. For comparison, his generations to the James of the James line would be 6 or 7 to the parents of the James and Archibald Lines.

Now all these STR numbers are used to estimate the Haplogroup. The estimated haplogroup is R1a1. This is the old name. The new name for R1a1 is R-M512 and  based on the test for that SNP. In the first screen shot there is a red R-M512 next to the 3 YDNA testing Frazers in the group. The SNP is red because it is estimated based on the STRs. If the SNP was tested, the color would be green. However, there is no need to test for R-M512 as the STRs already indicate that the SNP is R-M512. A SNP is a Single Nucleotide Polymorphism. In other words, it is a specific test aimed at finding a haplogroup or haplotype. So one might say that a STR test is a general description of the YDNA based on specific markers. The aggregation of these markers result in a profile that can be used to compare with other profiles. It may also be used to estimate a haplotype. The SNP test is a very specific test looking for a specific crucial spot in the YDNA that proves a specific haplotype.

One of the goals for this Frazer DNA project is to show by YDNA that the James line and the Archibald lines are related. We are pretty sure they are. However, over the years, things can happen, so it’s good to be sure. This YDNA could be used to trace our Frazer back to other Frazers in Scotland.

What is R1a1?

I’m glad I asked. When our first Frazer tested, I was expecting the results to be R1b. This is quite a common haplogroup. This is what my Hartley YDNA came back as. Some people associate the R1b with the old Celtic peoples of the area. My Hartleys were supposed to come from the NW England which is near SW Scotland where our Irish Frazer supposedly came from. So it made sense for me to guess that the Frazers would also be R1b. As I scroll down the Fraser and Septs – YDNA Colorized Chart,  I see that many of the Fraser/Frazer names are under R1b.

The difference between R1a and R1b is quite large. I would guess that these 2 haplogroups split from each other 10,000 years ago or more. The R1a people took the Northern route out of Asia accross Scandinavia perhaps and ended up in the Northern part of the British Isles. The R1b’s took the Southern route, generally, around Spain or possibly shortcutting through France and up into the British Isles.

There are also internet groups just for R1a1a people of any surname. Here is a map from one of those groups showing the migration and peoples descending from R1a.

R1a-ch

Notice that the Scots are near the Vikings. It would be interesting to see if our Frazers are positive for the L448 and L176 tests. That was the 2012 chart. There has been an explosion of testing over the last few years which has been difficult to keep up with and new branches are being discovered on a regular basis. Here is the 2015 chart:

r1a chart 2015

See all the extra branches at the bottom. Many of these are based on the Big Y DNA tests, that basically tests you for anything Y. You can see many more Scots branches near the 3rd little figure on the bottom. Unfortunately, our STR testing only gets us to about 6,000 B.C. This is caveman days, when our ancestors were still in Asia perhaps. However, as R1a is rarer than R1b the test should be good enough to show a male line match. Plus, the STR profile should be very similar.

Why Are So Few of our Irish Frazers R1a1?

There could be many answers to this question.

  • The Frasers/Frazers are apparently a large clan with many branches. Ours could be a separate one.
  • An early adoption of a Frazer could have created a different branch of the Frazers
  • DNA testing predates the adoption of surnames, septs, and clans. More than one group of people could have adopted the same surname, or become part of the same sept or clan. A review or our YDNA testing Frazer shows that his closest matches are with a Frizelle (GD=1) and a Grant and a Stuart (GD=2). This could indicate that the Frizelles, Grants and Stuarts could be related a point that predated surnames.

What Will it Mean if the Two YDNA Tests Do Not Match Each Other?

I am hoping they will match. If they clearly don’t match, then there will need to be additional testing to determine why and where that lack of matching occured. However, based on the autosomal DNA analyses done so far, I think there will be a match. There are many autosomal DNA matches between the Archibald Line descendants and the James Line Descendants. Here are the matches between the 2 lines. There are about twice as many matches since I wrote about this before in Frazer DNA – Celebrity Edition!

Matches Archibald James Lines

However, I can think of 3 ways to interpret these matches:

  1. This could be due to the fact that there were common collateral lines and these  matches are picking up the Frazer spouses common ancestors;
  2. this could be due to the fact that autosomal test is picking up this old Frazer connection that goes back to the early 1700’s or;
  3. the matches could be due to intermarrying between the 2 Archibald and James Frazer Lines subsequent to the early 1700’s.

So for now, we will sit back and wait for the new YDNA testing to come in. Then, as they say on TV, we will have our YDNA reveal.

The X Factor – Part 2

In the last Blog, I marveled at the amount of X chromosome my sister Sharon shared with karen. Part of my amazement was that I have not had one X Chromosome match at FTDNA out of over 1,000 matches until recently. One of the reasons for that is that FTDNA doesn’t report your X matches unless you also have an autosomal match. At any rate, women tend to have more of these X Chromosome matches with other people. One obvious reason is that they have twice as many X Chromosomes to start with.

Karen has uploaded her FTDNA results to Gedmatch. Here are my sister’s top matches on the X Chromosome.

Top X Matches for Sharon

To put into perspective the size of Sharon and karen’s match, the entire X Chromosome has a size of 196 cM. 56.2 cM appears to be over 25% of that amount. This is the X Inheritance Chart for my father. My sister got one of her X Chromosomes from him and I suspect this is the source of karen and Sharon’s match. Also note that Sharon shares more of the X Chromosome with karen than she shares with her brother (me). Karen also shares more of her X with Sharon than her own brother. And as we’ll see below, this large X Chromosome segment has stayed intact and traveled down through 2 different families from at least the last part of the 1700’s!

Dad's X Inheritance

My guess was that this X match went through my ancestor Fanny McMaster b. 1829 (in pink above) to Margaret Frazer. Margaret was born around 1800. Margaret is my father’s 3rd great grandmother and my 4th great grandmother.

What I did today was to look at Karen’s tree at FTDNA.

karen's ftdna tree

For some reason, FTDNA trees use a very large font for last names. This doesn’t work out well for longer last names. At any rate, karen’s father is Walter Wanama(ker) I believe. Karen got one of her X Chromosomes from her dad, like my sister got from my dad. Karen’s dad had to get his X from his mom Agnes Higgins. She got one of her X’es from Maryann McPartland. She got one of her X’es from Ann Fraizer of Derreenargan, Boyle, Ireland. Now Boyle is in the heart of my Frazer research area where I have my Frazer DNA project. These 2 graphics above appear to show that a large chunk of X Chromosome has traveled from the late 1700’s from a Frazer family through at least 2 other fairly distantly related families to today.

Karen’s family tree showed that her Ann Fraizer married a McPartland. Our Australian Frazer DNA project member Ros pointed out this entry from the Irish Court of Petty Sessions showing the interaction between one Frazer and one McPartland:

Archibald Frazer of Ballyfarnon Defendant  Feb 1883:  That on 16 Oct 1882 at Aughnafinigan, a nuisance took place on the defendant’s premises occupied by James McPartland to wit the dwelling house so dilapidated and dirty as to be unfit for human habitation and that said nuisance is caused by the act or default of the defendant.  “Nuisance to be abated by the 8th March and house put in proper repair and to pay costs 3/6”.  The Complainants were the Guardians of the Poor of Boyle Union as Sanitary Authority.

Where Did the X Come From?

From correspondence with Karen’s family, I see they have their Ann Fraizer b. about 1823. Here’s where I get into a bit of educated guesswork. 1823 is probably the generation of my ancestor Fanny McMaster, daughter of Margaret Frazer. It is possible that Margaret had a brother who had Ann Fraizer in 1829 or so. Now Margaret’s brother would have only had one X Chromosome from his mother. That means that under my educated guess scenario, the X Chromosome match between karen and Sharon would be from Margaret Frazer’s mother.  This would be the pink box in my father’s X Inheritance Chart to the right of Margaret Frazer. That would be my 5th great grandmother. She would’ve been born in the latter part of the 1700’s.

By the way, Karen is the about the 3rd person that has been found to be related to the Frazers of North Roscommon. They have all been found to be related by DNA. Each of their ancestors has been a single Frazer that is the end of that person’s research line.

Triangulation, Anyone?

Another person in the Frazer DNA Research Project, Kathy, was quick to note that her mom also matched Karen on the X. Here is Sharon’s match with karen (in pink and orange) and Sharon’s match with Kathy’s mom in blue, pink and yellow.

Sharons X match with Karen and CJK

As these three people overlap on their matches and all match each other, this closes the loop on triangulation. So this gives us double proof of a common ancestor between karen, Sharon and Kathy.  One is by the X triangulation and second is through the X Inheritance Pattern. This is another case where the DNA is clearer than our paper research!

Kathy’s X Match Ancestor

So now that we have narrowed down karen’s and Sharon’s X match ancestors, where is Kathy’s? She should have the same ancestor as the same X Chromosome segment was passed down to her mom. Here is Kathy’s mom’s X Inheritance chart but it won’t be pretty. It was supplied by Kathy starting with Kathy’s mother’s mother:

CJK's X Inheritance

Who the X Match Cannot Be

As vague as this chart is, it tells us who the X match cannot be. We may rule out the top half of the chart (not shown). This is Kathy’s mother’s father’s X Chromosome. This is ruled out due lack of Frazer ancestry. For the same reason, we can rule out the top part of the chart that is shown. That is the Emmet family which was not even known to be from Ireland. Then we can rule out any of the people in the white boxes. This includes the male Frazer line and ancestors before Edward Wynn Frazer.

Now look in the right hand column. Under the pink and blue which is the only place where the X match could be I don’t see a lot of entries. Even in the next to the last column there is maybe a Bonis. I’m ending with this example, because this is what most people see in their own genealogy. Karen and Sharon were fortunate to both have good family trees showing where a likely match would be. Even with our better than average paper trail, my educated guess was that the our X Chromosome was coming from the mother of an unknown Frazer. That means we don’t even know the surname of this person. So the X match could be anybody – though likely limited to the North Roscommon area. I suppose this is why many people don’t use the X Chromosome much. It is fascinating and gives clues, but is difficult to use.

The Nexus of X’s

This post is about the X Chromosome. As you likely know, we all have 2 sets of Chromosomes – one from each of our parents. These Chromosomes are numbered 1 though 23. 1 though 22 are the Autosomal Chromosomes. The 23rd is sometimes called the sex chromosome. Women get 2 X chromosomes: one from their mother and one from their father. Men get an X chromosome from their mother and an Y from their father. And it is important to note that the man does not pass down any X chromosome to his son.

There is some good information out there on the X Chromosome. One blog is called That Unruly X by Roberta Estes at DNAExplained.

I have had questions on what the X chromosome matches mean. In one way, the matches are like any other autosomal match. In another way, they are different. The way they are the same is that they should indicate a common ancestor at some point.

A Real Life Situation with My Sister Sharon

Let’s look at a real life situation. My sister Sharon tested recently. If I go to Gedmatch.com, I can run her DNA in a utility called ‘One to many’ matches.

One to Many

I entered Sharon’s kit # and checked the X radio button so I would get her largest X match. This gave me Sharon’s matches at Gedmatch. Unfortunately, these are sorted by ‘Gen’

X DNA Sort

Gen is the number of Generations that Gedmatch thinks your match is from you. I can tell this by the red arrow (triangle) pointing up under Autosomal. This means the smallest number of Generations are sorted first, which are the closest or most important matches. I want to sort by by X-DNA ‘largest cM’. I did that and got this for my sister’s top 4 matches:

Top X Matches for Sharon

Karen and Sharon’s Big X Match

3 of the 4 people I know. Heidi is my other sister and Gladys is my mom. They share all their X Chromosome with Sharon. Joel is me. But who is karen? And why does she share more X Chromosome with my sister than I do? Let’s figure it out together. On discussion groups I have been challenged by the fact that it is impossible to tell where a match comes from by an X Chromosome match and no other autosomal match. Let’s assume that this is true. However, in this case, karen matches Sharon on an autosomal Chromosome also. These 2 matches may represent different ancestors shared by karen and Sharon. However, these 2 matches should both be on Sharon’s maternal side or paternal side.

Which Side are You On?

As with all matches it is important to know if these matches are Maternal or Paternal. All of your autosomal matches will be one of the 2. For example, my father’s mother is a Frazer. That means I should be looking for Frazers on my paternal matches. If I find someone who matches my mother and has a Frazer in their ancestry, that match is likely coincidental and not where the DNA match is. So is karen a paternal match or maternal? If these were my matches, my guess right away would be that karen would be a maternal match. How would I know? I only have the X Chromosome from my mother. Sharon on the other hand has 2 X Chromosomes: one from our mom and one from our dad.

Here is how karen and I look on Sharon’s FTDNA Chromosome browser.

Sharon Karen Joel X

The orange is my match with Sharon. The blue is karen’s 56 cM match with Sharon. There is a chunk of orange overlap above the blue. Does this mean that Sharon, karen and I match on the X Chromosome? No. Remember that I only got my X Chromosome from my mother. Karen is related on my father’s side where I didn’t get any X Chromosome. So while it may look like a match on the browser, it is not, as the orange represents my Maternal match with my sister and the blue represents my sister’s Paternal match with karen.

Where Does Karen Fit In?

In some of my other blogs, I have been able to fit in people into the Frazer Project I have been working on. Let see if karen also fits in. First, I’ll look at her autosomal match with Sharon. To do this, I click on the ‘A’ to get the details of the autosomal match between karen and Sharon. When I do that, I get this:

Karen and Sharon Chr9

Fortunately I have had my mom tested for DNA. With these results, I was able to phase her DNA using a gedmatch utility. This results in Sharon having 2 additional kits: a paternal and a maternal kit. I ran Sharon’s Paternal Phased Kit against karen and got a match slightly smaller than the one above. This proves that the match is on the paternal side.

Then I checked karen against other testers in the Frazer project. She matches Jane and Prudence who are both known Frazer descendants. Interestingly, Jane had been in touch with this person prior to DNA testing concerning karen’s genealogy through more traditional methods. Jane and Prudence represent 2 different old related Frazer lines going back to the early 1700’s. In addition, I noted that karen had an ancestral tree at FTDNA with an Ann ‘Fraizer’ in it. Now there is no triangulation between karen, Jane and Prudence meaning no proof by the DNA that there is a common Frazer. However, the evidence of karen matching 3 Frazer descendants from by DNA and having a Fraizer in the same general area of Ireland is good circumstantial evidence.

Back to the X

All of this is interesting, but what does it tell us about the X match? To me, it says that the X match is in the same general area as the autosomal match. That means in the area of Frazers – so this could be from a Frazer or Frazer spouse. We know that the X Match is from the Sharon’s Paternal Side. I also double checked that by running an X ‘one to one’ match with Sharon’s paternally phased kit and got the same X match with karen. Sharon’s maternally phased kit did not match karen.

Here is what my dad’s X inheritance looks like:

Dad's X Inheritance

Here the pink and blue areas are the only areas Sharon could have an X match through my dad who is James Frazer Hartley. Unfortunately, these pink and blue areas go to places where it is difficult to find ancestors. In general, that would be on the maternal sides of lines where historically not as much information is not always available. Some notes from the above X Inheritance chart:

  • Sharon’s X match with karen could not be through our 2nd Great Grandfather George William Frazer.
  • The match could be through George Frazer’s wife who was Margaret McMaster
  • Margaret McMaster had a Frazer grandmother. It is possible that an X match could be through her.
  • The X chromosome does not recombine as much as autosomal DNA. This means a larger intact segment can travel down through the ages. This helps explain the large X match between karen and Sharon.
  • The percentages shown above are theoretical averages. The real amounts could be much larger or much smaller. In our example, Sharon got 25% of her X Chromosome from a part of the chart that shows that the theoretical amount she would’ve gotten would be perhaps 6-12% or less.
  • Also, the X Chromosome that my sisters got from my dad was the same that he got from his mom. It doesn’t even have a chance to recombine.
  • The match could be through the Clarke line as they were in the same general part of Ireland, but I would tend to think that it is more likely that the match would be on the McMaster/Frazer part of the chart.
  • My guess is that the autosomal portion of the match would be in the same general area as the X Chromosome match. Even though the shared ancestors represented by the autosomal match are probably not the same as the shared ancestors represented by the X Chromosome match, it would make sense to me that they would be nearby each other on the chart.