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Archiver > GENEALOGY-DNA > 2011-01 > 1294152853


From: Vincent Vizachero <>
Subject: Re: [DNA] How old is Y-Chromosome Adam?
Date: Tue, 4 Jan 2011 09:54:13 -0500
References: <201101040808.p0488xgP020485@mail.rootsweb.com>
In-Reply-To: <201101040808.p0488xgP020485@mail.rootsweb.com>


It's not clear to me how you would support the conclusion below that
the most accurate estimate comes from using only 10-20 of the slowest
markers.

Given our current state of knowledge, I admit it would be hard to
demonstrate that this is NOT the best approach. But given the very
real suspicion that the very slowest markers may be overestimating
TMRCA, an estimate formed ONLY on those markers would - itself- strike
me as suspicious.

VV


On Jan 4, 2011, at 3:08 AM, Tim Janzen wrote:

> I think that
> it makes the most sense to use a group of the slowest mutating
> markers from
> the 67 marker panel, probably no more than 20 and possibly no more
> than 10.

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