GENEALOGY-DNA-L Archives

Archiver > GENEALOGY-DNA > 2008-02 > 1201980084


From: "Sasson Margaliot" <>
Subject: Re: [DNA] Strong purifying selection in transmission of Mammalianmitochondrial DNA
Date: Sat, 2 Feb 2008 21:21:24 +0200


How do we know that previous generations of humans were not 'enzyme
deficient' ?

If they were, then it wouldn't take "ten thousand generations" to get to the
degree of overall genetic diversity observed today.


Sasson




On Feb 1, 2008 Ian Logan wrote:

>
> The researchers were using a strain of 'enzyme deficient' mice which
> has a more unstable mtDNA than 'normal' mice.
>
> But not so unstable that the mice didn't breed.
>
>

This thread: