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Archiver > GENEALOGY-DNA > 2008-07 > 1215636484


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] calibrating for common ancestor - QUESTION?
Date: Wed, 9 Jul 2008 14:48:04 -0600
References: <936471110807091219n1e817524o7f64ec98109e861d@mail.gmail.com><EE24A346-05E7-49A7-9A54-9297A9C3AB1A@vizachero.com><3b2a446a0807091341l2069ab5bv151dc01c00f726d7@mail.gmail.com>


----- Original Message -----
From: "Sasson Margaliot" <>
To: <>
Sent: Wednesday, July 09, 2008 2:41 PM
Subject: Re: [DNA] calibrating for common ancestor - QUESTION?


> This is not method for finding TMRCA, it is method for easily finding out
> if a cluster is homogeneous or not.
>
> When the logarithmic formula it produces a completely wrong result,
> then chances are the alleged cluster actually consists of more than one
> cluster..

There are more direct ways to test a cluster for being descendants of a
single MRCA or not, and which don't suffer from circular logic problems.



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