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Archiver > GENEALOGY-DNA > 2000-11 > 0975178932


From: "Orin R. Wells" <>
Subject: [DNA] Re: GENEALOGY-DNA-D Digest V00 #31
Date: Sat, 25 Nov 2000 11:02:12 -0800
References: <200011251700.eAPH0Po13951@lists5.rootsweb.com>
In-Reply-To: <3A20015D.708B979@bellatlantic.net>


At 01:13 PM 11/25/00 -0500, Dennis J. Cunniff wrote:
>...the mother has TWO X chromosomes, and so recombination DOES take place
before ova are generated. It would be vanishingly rare for an X chromosome
inherited from a mother by either a son or daughter to be identical to
either of the mother's two X chromosomes. It will be a mixture of
genes (and non-gene DNA) from both of her X chromosomes.<<

Thanks, Dennis. This is what I had instinctly suspected, but don't think I
had ever seen. Given this, it provides a very rich potential for
contributing to the genealogical research area I should think.



Orin R. Wells
Wells Family Research Association
P. O. Box 5427
Kent, Washington 98064-5427
<>
http://www.rootsweb.com/~wellsfam/wfrahome.html
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