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Archiver > GENEALOGY-DNA > 2005-12 > 1134814294


From: "Herbert Hendricks" <>
Subject: Re: [DNA] RE: Are you missing the Geno boat?
Date: Sat, 17 Dec 2005 05:11:34 -0500
References: <NFBBJIGLNLMGJIOLOGFBOEHMGBAA.scorpion@netconnect.com.au>


Dear Dennis,

To just stop and look at 12 and even 25 markers, in our experience is really a waste, and not an indication of your desire to know your family. 37 marker testing has proven from our small sampling of only 50 people (23 different groups) so far is the only way to make family connections. In fact we are questioning if 37 markers are enough to separate out various members of a family.

Herb Hendricks
Retired NASA Physicist
Hendricks(on) DNA Project Group Administrator
Secretary Hendricks Family Association
<mailto:>
1210 Long Meadow DR
Lynchburg, VA 24502
434 832 7246
Major/Smith/Hendricks
http://www.familytreedna.com/public/hendrickson/<http://www.familytreednacom/public/hendrickson/>;
----- Original Message -----
From: Dennis Wright<mailto:>
To: <mailto:>
Sent: Saturday, December 17, 2005 2:24 AM
Subject: RE: [DNA] RE: Are you missing the Geno boat?


Hi John,

All I can say is there are lies, damned lies and statistics!
Yes I am one of, I suspect, many with NO 12/12 matches.

And in answer to another post, I think it is a good move to see what matches
you get at 12 markers before investing in 25 or 37.
As I say at the moment I have none, and I will keep my hand in my pocket
until I do.

Dennis Wright
WRIGHT Surname project member.
6PWCD

<snip>
> The figure of 14,886 distinct 12-marker haplotypes tells me that,
> on average, a person can expect to have 2.5 matches in the
> database at 12 markers. Of course, there is probably a very
> skewed distribution of matches, and it may be extremely rare to
> have 2 or 3 matches, instead of none or 50.
<snip>
>
> John Chandler


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