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From:
Subject: Re: [DNA] DNA sequences
Date: Sat, 8 Mar 2003 21:03:16 -0600 (CST)
In-Reply-To: DNACousins@aol.com's message of Sat, 8 Mar 2003 21:30:32 EST

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I had it done two years ago but didn't look into the sequence because I
didn't know where to look for it.I have been on the Oxford site but
didn't see where to check the sequences.Will check again.Thanks.


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Date: Sat, 8 Mar 2003 21:30:32 EST
Subject: Re: [DNA] DNA sequences
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In a message dated 03/08/03 2:35:10 PM Pacific Standard Time,
writes:

> I know how to get to the sequences but what am I supposed to do with the
> other stuff I see there.What does the T C and A in red stand for.Does it
> mean mutation or what.I guess I am dumber than I thught.

Are you talking about a mitochondrial DNA report from Oxford Ancestors? If
so, then those red letters are where you differ from the Cambridge Reference
Sequence (CRS). There's nothing special about the CRS -- it's just happened
to be the first one ever sequenced. Most people have very similar mtDNA
molecules: you might match exactly, or have one or two or a handful of
differences, which we do call mutations.

OA gives you the sequence for 400 bases, at positions 16001-16400 on the
mtDNA molecule. The letters are in 4 rows of 100, broken up into sets of 10.
Count off the position of your mutations, add 16000, and also mention the
letter when you tell us what you have, e.g. 16293G. Then we can look some
more at your data.

Did you have this test done recently? Did OA give you access to a database of
results from customers? I was one of their early customers, and I can access
some of the reports I had done in the beginning, but not the ones done a year
or so later. They may be adding to the database a little at a time.

Ann Turner - GENEALOGY-DNA List Administrator
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