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Archiver > GENEALOGY-DNA > 2002-08 > 1030360909


From: William McCeney <>
Subject: Re: [DNA] How specific is 12 marker test
Date: Mon, 26 Aug 2002 07:21:50 -0400
References: <003801c24b0f$2395aec0$59383942@nc.rr.com>


Sanford:

For my money, the 12 Marker Test did not provide an adequate degree of precison on
which to base a high confidence genetic genealogical relationship.
According to the 12 Marker Test, I am a 12 to12 match with the following families
that have signed releases for the FTDNA database:
O'Boyle
Caldwell
Schmidt
Vincent
Agin
German
Croley
Panther-Yates
Ramey
Lenert
Griggs
Elliston
Canterbury
Hill
Everidge
Etheridge
Cook
Redd
Rodriguez
Jacobs
Schoch
Stewart
Reeb
Etheridge.

The 25 Marker Test eliminated all the matches, the closest match being a name not on
the 12 marker match list, who is 2 markers different on the 25 Marker Test. See
http://freepages.genealogy.rootsweb.com/~bmcceney

Bill McCeney



Sanford Toole wrote:

> I have the results of my 12 marker tests and noted that there are at least four people that match my profile 12 of 12. However these people all have different surnames from me and from each other and as far as I can tell are not related. If mutations have occurred at such a rate that people who are not really related match my profile, then how valuable is the 12 marker test? If I go to a 25 marker test will it eliminate some of these people?
>
> ==============================
> To join Ancestry.com and access our 1.2 billion online genealogy records, go to:
> http://www.ancestry.com/rd/redir.asp?targetid=571&sourceid=1237

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