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Archiver > GENEALOGY-DNA > 2006-08 > 1155266255


From: "Ron Scott" <>
Subject: Re: [DNA] Matching
Date: Thu, 10 Aug 2006 22:17:35 -0500
References: <4f8.450dc47.320d428e@aol.com>


Ann,

I'm not clear why mutation rates should be different outside father-son
rates. Please explain.

Ron

----- Original Message -----
From: <>
To: <>
Sent: Thursday, August 10, 2006 9:16 PM
Subject: Re: [DNA] Matching


> In a message dated 8/10/2006 1:02:04 PM Pacific Daylight Time,
> writes:
>
>> See: http://www.familytreedna.com/trs_explain.html
>>
>> In a nutshell though it means these two people had a common ancestor
>> within approximately 7 generations ago (95% probability).
>
> That table is based on a mutation rate that is about double what
> father/son
> studies show, so personally I'd double the number of generations. However,
> I
> still think a 37/37 match is worth a modicum of effort to look for any
> commonalities in time frame / location. As others have mentioned, there
> might be some
> additional clues. Does one surname have lots of good matches within the
> project? Then the other surname might be due to misattributed paternity
> somewhere
> along the line. Is the haplotype rare? Then a match is more "interesting."
> As you
> noted in another message, the rarity of the haplotype doesn't impact the
> TMRCA calculations, which are based purely on the behavior of random
> events, but
> it does influence my willingness to do some research.
>
> Ann Turner
>
> ______________________________


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