MARKHAM-L Archives

Archiver > MARKHAM > 2006-12 > 1164993227


From: "Karen Brandon" <>
Subject: Re: DNA Testing
Date: Fri, 1 Dec 2006 12:13:47 -0500
References: <bf3.4e3ec99.32a065ce@aol.com><00b301c71543$73d3c900$4163cd44@cfl.rr.com><45705A13.2020409@siliconlogic.com>


Thanks, David. You are absolutely right about the mitochondrial dna. I
didn't express it very well.

Do you agree, though, that we should be using the Ydna test for our
genealogical purposes? Can you give us any guidance on how to go about this
and would you be willing to head up the project?

Do you have a Markham candidate who might be willing to test?

What is your connection to the Markham bunch? ( I must have managed to
miss it somewhere along the line, for which I apologize.)

karen b.
----- Original Message -----
From: "David N. Springer" <>
To: <>
Sent: Friday, December 01, 2006 11:36 AM
Subject: Re: DNA Testing


> A person's maternal ancestry can be traced using his or her
> Mitochondrial DNA (mtDNA).
> The DNA in the human mitochondria is passed down by the mother unchanged.
>
> So as far as mtDNA goes it is not just daughter's that can be tested but
> son's also.
>
> >Now, mothers pass along a smilar dna "snip" to their daughters and a
maternal line can be proved back, but only along the maternal line.
> >
> Y-DNA and mtDNA testing each only trace a single lineage (one's
> father's father's father's etc. lineage or one's mother's mother's
> mother's etc. lineage). At 10 generations back, an individual has 1024
> ancestors (excluding intermarriages) and a Y-DNA or mtDNA test is only
> studying one of those 1024 ancestors.
>
> --
> David
>
>
>
> ---
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