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African American DNA Research Forum

Re: Pedigree Collapse in African's
In Response To: Pedigree Collapse in African's ()

>I have read that our individual DNA tests represent
>about 1% of our total genetic makeup and I was
>wondering if anyone had any thoughts about "Pedigree
>Collapse" as it applies to the continent of Africa?

The Y-chromosome and mtDNA represent about 1% of our total genetic makeup. On the other hand, the autosomal dna tests use "the rest" of your dna. I'm not clear on what "pedigree collapse" has to do with this. I am sure it happens anywhere there is, or has been in the past, a limited population group. So at some point, my great-great-grandpa is also my 3rd cousin, once removed, or something like that. How does that affect dna testing?


18 Dec 2002 :: 14 Nov 2008
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