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Archiver > GENEALOGY-DNA > 2005-09 > 1126898978


From: charles <>
Subject: Re: [DNA] Parallel mutations -- corrected URL
Date: Fri, 16 Sep 2005 15:29:38 -0400
References: <20050916191216.79049.qmail@web81801.mail.mud.yahoo.com>
In-Reply-To: <20050916191216.79049.qmail@web81801.mail.mud.yahoo.com>


OOPS. Here is the correct URL. Sorry.

I have a well documented parallel mutation in my Kerchner surname
project. It was at DYS449.
http://www.kerchner.com/kerchner37mkrs.htm

Charles
http://www.kerchner.com/dna-info.htm

Robert Stafford wrote:
> Some calculations were posted back in April on the likelihood of parallel mutations. There is roughly a 50/50 chance of a parallel mutation when you have ten mutations among people with a common ancestor.
>
> We had several reports of parallel mutations in the past and I saw several possible ones on the fiery four in the projects I looked at. Whether the documentation was wrong or not is always hard to know in someone else's family. However, there have been enough reported that everyone should be alert to them.
>
> The fastest markers will be the most likely to have parallel mutations. Initially, relative likelihoods seem to be roughly proportional to the squares of the mutation rates. However, I am not familiar enough with the calculations to be certain about it.
>
> Bob Stafford


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