GENEALOGY-DNA-L Archives

Archiver > GENEALOGY-DNA > 2001-06 > 0992198922


From: "Midwestgirl" <>
Subject: Re: [DNA] DNA testing
Date: Sun, 10 Jun 2001 11:48:42 -0700
References: <ad.bd19526.28550eaa@aol.com>



----- Original Message -----
From: <>
To: <>
Sent: Sunday, June 10, 2001 10:55 AM
Subject: Re: [DNA] DNA testing


> In a message dated 06/10/01 10:09:49 AM Pacific Daylight Time,
> writes:
>
>
> > It is my understanding that DNA
> > sufficient to provide 'legal' proof can
> > only be obtained from a hair's root --
> >
>
> Yes, the hair's root is required to test the kinds of markers used in
> paternity testing. The shaft does contain mitochondrial DNA, but that
> wouldn't be helpful in this situation.
>
> > Could any type of DNA prove that the
> > presumed grandmother & grandson are
> > related.... Laurie
>
> The grandson will have one set of markers from his father and one set from
> his mother. The markers he received from his father will be a random mix
of
> markers from the paternal grandmother and paternal grandfather, but it's
> possible that the grandson would inherit enough distinctive markers from
the
> grandmother to calculate a fairly high probability of a relationship. If
none
> of his markers match the grandmother, that would make the relationship
very
> unlikely. Is the mother available for testing? That would be a help, too.
>
> The web site www.genetree.com has a request form where you can give
> relationships of those available for testing and get some advice on the
best
> way to proceed. Samples can be mailed to testing laboratories, so it's not
> necessary to live in the area of a laboratory. If the testing is for legal
> purposes, you would have to establish a "chain of custody" for the
samples,
> however.
>
>
> ==============================
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