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Archiver > GENEALOGY-DNA > 2007-02 > 1172286622


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] A query: why are dinucleotide Y STRs not used?
Date: Fri, 23 Feb 2007 20:10:22 -0700
References: <000001c757b9$492646c0$4001a8c0@BigMem2>


Compared to our average mutation rate of perhaps 1/400, how do these
dinucleotides mutate --- faster, slower? Does your use of the descriptor
"frequent" refer to mutation rate or their occurrence rate in the ydna?

----- Original Message -----
From: "John McEwan" <>
To: <>
Sent: Friday, February 23, 2007 7:12 PM
Subject: [DNA] A query: why are dinucleotide Y STRs not used?


> Dear all
>
> Here is an open question to the genealogical community. Probably the
> most frequent and polymorphic STRs are dinucleotides. Historically these
> have not been used in humans because they have been difficult to score
> (for the uninitiated). I know of only one commonly used on Y, YCAII. In
> other species they typically are the ONLY STRs used.
>
> Has the time come for a panel of the best to be used for Y?
>
> Cheers
>
> John McEwan
>
>
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