GENEALOGY-DNA-L Archives

Archiver > GENEALOGY-DNA > 2005-07 > 1121308851


From: victor villarreal <>
Subject: Re: [DNA] Pregnant Women and Y-Chromosomes
Date: Wed, 13 Jul 2005 21:40:51 -0500
References: <20050714013534.31587.qmail@web61222.mail.yahoo.com>
In-Reply-To: <20050714013534.31587.qmail@web61222.mail.yahoo.com>


I doubt that Y-DNA (from male fetus) would show in a standard cheek swab in
a pregnant woman.
This is related to a phenomenon known as "microchimerism" and it can also
happen in recipients of donor organs or after a blood transfusion.

Victor

On 7/13/05, proofer joan <> wrote:
>
> Dear List,
>
> http://www2.whdh.com/features/articles/healthcast/DBB1909/
> et al have articles on detection of y-chromosomes from
> male fetal blood that circulates in pregnant women.
>
> Would enough Y-chomosomes be present in a pregnant
> woman to be picked up by a standard cheek swab?
>
> Of course, it would be easier (in most cases) to ask
> the father to submit a sample, but an interesting
> concept.
>
> Sincerely, Joan
> (on vacation)
>
>
>
> ____________________________________________________
> Start your day with Yahoo! - make it your home page
> http://www.yahoo.com/r/hs
>
>
>
> ==============================
> Find your ancestors in the Birth, Marriage and Death Records.
> New content added every business day. Learn more:
> http://www.ancestry.com/s13964/rd.ashx
>
>


This thread: