Archiver > GENEALOGY-DNA > 2005-10 > 1130724365

From: "David Wilson" <>
Subject: Re: [DNA] calculating distance
Date: Sun, 30 Oct 2005 18:06:05 -0800

A genetic distance of six over 25 markers says to me that there is very
little chance of a recent ancestor during genealogical time -- that is,
since the adoption of surnames. But there is always an outside chance that
two individuals who had a common ancestor only three or four centuries ago
might have amassed a fairly large genetic distance in the interim

As to five of six values being one lower (or one higher, if you change your
frame of reference): There is no significance.

David W.

On 10/30/2005 4:42:50 PM, David Zincavage () wrote:
> If 6 out of 25 Y DNA STR factors are 1 value apart, is it possible to
> calculate any meaningful male ancestry distance?
> Is there any significance to 5 of 6 values being one lower?
> ==============================
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