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Archiver > GENEALOGY-DNA > 2003-11 > 1069262871


From: David Faux <>
Subject: Re: [DNA] Relative Probability Positive vs. Negative Mutations
Date: Wed, 19 Nov 2003 09:27:51 -0800 (PST)
In-Reply-To: <FCEPIHPDCILGKAJLDHONCEEDENAA.swaitela@att.net>


Sue: In the Kayser et al. article on father - son pairs, there were almost two "gains" to one "loss" (10:4 ratio) overall for 8 markers of the 15 markers tested (but one was a two step mutation loss). In other words, probability wise, mutations are more likely to be up one repeat than down one repeat.

David F.

Sue Waite-Langley <> wrote:
Is there any data on the relative probablity of positive vs. negative
mutational changes? I know it's more likely to gain a repeat than to lose
one...but is there any comparative data?

Thanks, Sue




Dr. David K. Faux, P.O. Box 192, Seal Beach, CA, 90740, USA



www.davidkfaux.org



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