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Archiver > GENEALOGY-DNA > 2002-11 > 1037675397


From: OrinWells <>
Subject: Re: [DNA] MRCA calculations
Date: Mon, 18 Nov 2002 19:09:57 -0800
References: <DNACousins@aol.com message <f3.24249ad1.2b091ccd@aol.com>
In-Reply-To: <JCHBN.021117.150722.RC0@CUVMB.CC.COLUMBIA.EDU>


At 03:07 PM 11/17/2002 -0500, John F. Chandler wrote:


>Actually, my formula gives an OVERestimate. I think Walsh's tables give
>values for the number of loci that match vs do not match.

OK, humor me here. I have two subjects. They match at all of the 26
markers sampled except the following two (DYS389II is an artifact of DYS389
so it does not count):

Subject DYS389 DYS389II DYS392
A 14 30 11
B 15 31 12

What does your calculator say about their most recent common ancestor?



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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