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<\/a><\/p>\nOn the right, on a separate spreadsheet, I write down the initials and the locations of the crossovers. The three locations in yellow indicate that I am not sure of the order of the crossovers. I was also not sure of the last crossover. However, I have convinced myself that there is one there:<\/p>\n
I believe that the last segment is a small HIR in the V & D and the V &L comparisons. This last crossover will go to Jim (V).<\/p>\n Next, I go through the crossovers again and write down the position numbers:<\/p>\n This gives me a second look at the crossovers. I think I have this right now. I am missing the last position number which is not a big deal. I can get it from the full resolution comparison between Jim (V) and Jon (F):<\/p>\n The beginning of the match is at 95.5M. Each ^ is 1M, so the beginning of the FIR (and thus the crossover) is as 99.4.<\/p>\n This Chromosome should be easy to solve. Here are matches with Hartley cousin Patricia:<\/p>\n My first match ends at 41.4 while Jon and Lori’s matches end at 43.7M. That seems to indicate a crossover that I didn’t see on the paternal side. However, my match with Hartley cousin Beth clears that up:<\/p>\n Beth shows my match goes way beyond 41.4 to 53.9M. Here is how I fill in paternal DNA based on Beth’s match with me and my siblings:<\/p>\n Here I have assumed that a no-vote for Hartley is a vote for Frazer.<\/p>\n Match with maternal Rathfelder cousin Inese may be enough to solve the Chromosome:<\/p>\n Next, I should be able to finish by extending DNA to the crossovers and comparing the sibling pairs from Gedmatch:<\/p>\n <\/p>\n However, when I get to the right-hand side, I see that I have done something wrong. The Joel (D) and Lori comparison show an FIR in the next to last segment. However, to do that would require a double crossover for Lori and she only has one. Perhaps the Segment Map will show my mistake:<\/p>\n Here I boxed some areas that are right in the sibling comparison, but wrong in the Segment Map (which represents my Chromosome Map). Interestingly, the first mistake is at V but at the F & D comparison.<\/p>\n The Segment Map pointed out exactly where the problem was. I have a crossover at V which doesn’t make sense. I should only have crossovers at D. I’ll take that V crossover out and carry it over to my next crossover:<\/p>\n After my next crossover, I see I have an FIR with Lori. That means that my crossover has to be on my maternal side (Lentz).<\/p>\n Next I won’t outline all the problems, but I do see one at the top:<\/p>\n This one starts with Jon (F). There should be an FIR, but I have NIR. I can fix this by reversing Jon’s crossover at F. This is confirmed by an FIR between Jon and Heidi:<\/p>\n When I reverse Jon’s crossover, I see that I have corrected the two errors:<\/p>\n Here is what I get for a finished Chromosome 15:<\/p>\n This looks like a match:<\/p>\n<\/a><\/p>\n<\/a><\/p>\n<\/a><\/p>\nCousin Matches<\/h2>\n
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