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Archiver > GENEALOGY-DNA > 2010-02 > 1265884166


From: Robert Stafford <>
Subject: Re: [DNA] MRCA Estimates
Date: Thu, 11 Feb 2010 04:29:26 -0600
References: <1068441842.2232861265846443361.JavaMail.root@sz0002a.westchester.pa.mail.comcast.net><783347045.2233351265846514208.JavaMail.root@sz0002a.westchester.pa.mail.comcast.net>
In-Reply-To: <783347045.2233351265846514208.JavaMail.root@sz0002a.westchester.pa.mail.comcast.net>


What are you talking about when you claim 25 generations is "a fixed
mathematical value." I would think that you would want to use an observed
value.

Bob Stafford


On Wed, Feb 10, 2010 at 6:01 PM, <> wrote:

>
> Average mutations rates for extended haplotypes typically group around
> 0.002 mutations per marker per generations of 25 years (I calibrate those
> rates using 25 years per generation; this is a fixed mathematical value and
> not an actual length of a generation).
>
>


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