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Archiver > GENEALOGY-DNA > 2011-01 > 1296141353


From: vernade didier <>
Subject: Re: [DNA] Re : How old is Y-Chromosome Adam?
Date: Thu, 27 Jan 2011 15:15:53 +0000 (GMT)
In-Reply-To: <4D4173A9.302@scs.uiuc.edu>


Chicken is given as an example of a very distant "cousin" .
Could we discuss the point instead of arguying on words ?

Didier


> Margaliot wrote:
> > John Hawks' quotation from 2010 article:
> >
> >             
>    humans and chimpanzees, *"comparable to
> the difference ... in
> > chicken and human"*.
> >
> > So much for Chimps as an outgroup.
> >
> > -
>
> That's absurd, especially for Y.
>
> Chickens don't have X and Y chromosomes, they have W and
> Z.
>
> Males are homozygous, females are heterozygous.
>
> Doug McDonald
>
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