Archiver > GENEALOGY-DNA > 2010-02 > 1266197011

From: Robert Stafford <>
Subject: Re: [DNA] TMRCA assessments
Date: Sun, 14 Feb 2010 19:23:31 -0600
References: <><7CD41B7A16C440188E3AD2AD0ADB85E1@anatoldesktop>
In-Reply-To: <7CD41B7A16C440188E3AD2AD0ADB85E1@anatoldesktop>

I agree with you that back mutations are not worth discussing. However,
parallel mutations are much more common, which can be shown by statistics. I
would suggest that you address them.

Bob Stafford

On Sun, Feb 14, 2010 at 5:16 PM, Anatole Klyosov <>wrote:

> If after my four or five explanations that back mutations produce
> negligibly small contributions to overall mutations in the first 650 years
> (and practically do not affect TMRCAs in that time period), and their
> contribution up to about 2,000 ybp is also within the margin of error, and
> after all those concrete figures which I gave here describing their
> contribution, which is indeed close to nothing - if after all of that you
> still insist that their contribution is significant (otherwise why talking
> about it), I am giving up. There is no point to continue.

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