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Archiver > GENEALOGY-DNA > 2008-05 > 1211306941


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] R ydna sweeps the H world?
Date: Tue, 20 May 2008 12:09:01 -0600
References: <020601c8ba9d$7f945b00$6400a8c0@Ken1><59b617a00805201053s292b2fq78afe96cf519ee49@mail.gmail.com>


Probably the "caring" gene is not in the non-recombining ydna. But maybe
the ydna haplogroup could be sufficiently correlated still today after the
"caring" gene mutation occured in some population initially heavy with some
haplogroup?


----- Original Message -----
From: "MaryJo Neyer" <>
To: <>
Sent: Tuesday, May 20, 2008 11:53 AM
Subject: Re: [DNA] R ydna sweeps the H world?


>I have seen several studies that show a woman who is well-nourished is much
> more apt to conceive and give birth to more male than female offspring. I
> had wondered whether the widespread nature of certain haplogroups would be
> related to their culture's view of caring for women.
> Mary Jo
>
> On Tue, May 20, 2008 at 1:18 PM, Ken Nordtvedt <>
> wrote:
>
>> Now there's a mechanism to explain how S28 and S21 ydna, having such a
>> recent MRCA as I found in initial examination, could so quickly sweep
>> western Europe as some say it has done. Dienekes has a paper saying R
>> ydna
>> combined with H CRS female mtdna is more fertile than I ydna combined
>> with H
>> CRS female mtdna. At least that's how I read his abstract.
>>
>> This could explain the relative decline of all that early S23+/M223- I in
>> north west Europe as suggested by the Lichtenstein cave data.
>>
>> I hope someone will read the paper and give the list a down-to-earth
>> summary of its conclusions on this.
>>
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