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Archiver > GENEALOGY-DNA > 2010-11 > 1288759962


From: Gary Felix <>
Subject: Re: [DNA] WTY Update slides
Date: Tue, 2 Nov 2010 21:52:42 -0700 (PDT)
In-Reply-To: <927EEF6FA6B241A69D0CD293ECC673E2@JohnPC>


> Perhaps it could mean that we need to be careful comparing
> autosomal or
> mtDNA effective SNP rates to Y SNP effective rates, it Y
> has a different
> repair mechanism.

John,
perhaps when the dust clears.

Gary



--- On Tue, 11/2/10, Alister John Marsh <> wrote:

> From: Alister John Marsh <>
> Subject: Re: [DNA] WTY Update slides
> To:
> Date: Tuesday, November 2, 2010, 6:53 AM
> Gary,
>
> You said...
> >>>>>>>
> > The Y appears to be entirely palindromic, recombining
> with itself:
> > http://news.harvard.edu/gazette/story/2010/04/in-praise-of-the-y-chromosome/
> <<<<<<<
>
> Interesting.
>
> I'm presuming that if the Y is entirely or largely
> palindromic recombining
> with itself and repairing mutations, it would not be a
> factor affecting age
> of haplogroup calculations based on mutations?  I
> presume that any repair of
> mutation mechanism is something already allowed for in the
> way mutation
> rates are measured in father son studies.
>
> Perhaps it could mean that we need to be careful comparing
> autosomal or
> mtDNA effective SNP rates to Y SNP effective rates, it Y
> has a different
> repair mechanism.
>
> John.



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