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Archiver > GENEALOGY-DNA > 2002-07 > 1027375412


From: "Steven C. Perkins" <>
Subject: [DNA] Query re: tests of Y markers
Date: Mon, 22 Jul 2002 18:09:50 -0400
In-Reply-To: <74.201eee6d.2a6da3ef@aol.com>


Ann, and anyone else who may know:

In regard to the Y chromosome, what is the study that has used the
largest number of markers in testing? It seems as though the
scientific literature started with 3 markers, than 6 markers (the AMH,
CMH, etc.) then to 10 or 12 markers. While the genealogical tests
were 11-12 markers and are now 23-25 markers. One poster
mentioned a special case study with 30+ markers.

I am wondering if any lab has taken a set of tests of 20+ markers
where there was an exact match and run it out to 50+ markers to see if
the match continued. That might give us some insight into which
markers would be most useful for distinguishing among descendant
lines from a common ancestor.

Of course, in the Parkins/Perkins study, there are only three markers
that match for the four persons who have been tested so far.

Any references to such a study would be appreciated.

Regards,

Steven C. Perkins


Steven C. Perkins
http://freepages.genealogy.rootsweb.com/~scperkins/
Perkins Y DNA Study:
http://freepages.genealogy.rootsweb.com/~scperkins/PerkinsDNA.html

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