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Archiver > GENEALOGY-DNA > 2011-01 > 1293936294


From: "Diana Gale Matthiesen" <>
Subject: Re: [DNA] Recommendations for DNA testing
Date: Sat, 1 Jan 2011 21:44:54 -0500
References: <52025593-9EF1-4A5D-A729-4186037ECADE@comcast.net> <AANLkTimbhkZKMrkwW97ttsEwaJgRnz8=GawEo7R0Pxyd@mail.gmail.com> <013d01cba961$023bb3a0$06b31ae0$@dgmweb.net> <AANLkTingPqvZGSs46TOyAobjeTjx-mzzi_Hfh1e4F_zo@mail.gmail.com> <003201cba9f3$274065f0$75c131d0$@dgmweb.net><AANLkTim-=MYkeN5Tz33Ga9D5zMSvgWJoHhxAAPQf-WT2@mail.gmail.com>
In-Reply-To: <AANLkTim-=MYkeN5Tz33Ga9D5zMSvgWJoHhxAAPQf-WT2@mail.gmail.com>


What level of 37 marker match? If you mean 37/37 or 36/37, I'm quite sure none.
I'd have to go through my project results tables to give you a non-anecdotal
answer, and it's a little late to start doing that tonight, but I think it's
worth doing. Actually, I can think of one case off the top of my head, though
it's not your typical project problem because these were individuals in
different surnames.

A member of my BIDDLE project is not matching other BIDDLEs, so I wondered if
the many matches he was getting in other surnames, some quite close, might
indicate he had an NPE. I constructed this table to help me better evaluate the
situation:
http://dgmweb.net/DNA/Biddle/BiddleDNA-Results-I1.html#data

As you can see, at 37 markers, the BIDDLE has a 35/37 match with the AMPHLETT,
the DEAN, and one of the HARRIS'es. At 67 markers, the match between the BIDDLE
and HARRIS'es falls away. The matches with the AMPHLETT and DEAN remain open
questions until they upgrade to 67 markers.

Every probability distribution has its outliers, and experience has taught me
that sometimes your case is the outlier. Why live with the ambiguity when it's
so easy to remove it?

Diana

> From: steven perkins
> Sent: Saturday, January 01, 2011 7:41 PM
>
<snip>
> In your projects, how many 37 marker matches have not remained matches when
> upgraded to 67 markers?
<snip>

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