My 3rd cousin 1x removed did 67 marker ydna testing and he matches 66 of my markers perfectly, but he has a value of 26 at dys449 & I have a 29. This is being listed as a 64/67 ydna match? My paternal 2nd great-grandfather was his paternal 3rd great-grandfather. We match 7 dna segments, longest segment 19cMs with total of 45cMs autosomal dna which is in the range of 3rd cousins 1x removed. I know that dys 449 is one of the fastest mutating markers, so most likely the mutation from 29 to 26 occurred during the 4 generations between our common ancestor and my cousin's birth, timeframe 1846-1955. I guess this mutation difference on dys449 could be considered a fingerprint for my cousin's paternal line branch?
Best regards, Doug
Best regards, Doug
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