Re: Marriage Between First Cousins #ukraine


Adam Cherson
 

Wondering if anyone has done dna comparisons between double-cousin
relatives. For instance, supposing I have a third cousin whose parents
are first cousins? How much more gene sharing is there between me and my
third cousin than there would be otherwise? Can I just double the amount
of expected gene-sharing since he is my third cousin in two ways? This
is not just an academic question since the situation can and does come
up with certain frequency in my research. I've posted this to the DNA
board as well. Thanks in advance....

Adam

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