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Archiver > GENEALOGY-DNA > 2006-10 > 1161196304


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] Same test, different companies?
Date: Wed, 18 Oct 2006 12:31:44 -0600
References: <bfb.743e08f.3267aa0a@aol.com><50345.209.225.96.119.1161194066.squirrel@wm.wi.net>


I've had some SNPs done by different companies; one SNP had opposite
results, 3 others agreed. I had a number of markers done by both FTDNA and
DNAH --- the ones they have in common. They quoted the same repeat numbers
on all markers. I have a great granddad line with 3, yes 3, different
repeats at DYS461 --- 12, 13, and 14 --- and all in the same donor's ydna.
I really should be peddling that result around to different labs.

I actually have higher confidence in STR results than SNP results, and the
consequences of a single error on a STR are minor compared to an SNP error.
It pays to have redundancy behind your conclusions and have the courage to
question funny results from the companies.

Ken


----- Original Message -----
From: <>
To: <>
Sent: Wednesday, October 18, 2006 11:54 AM
Subject: [DNA] Same test, different companies?


> Has anyone odered the same test from two different companies? Do the
> results come out the same?
>
> Thanks,
> Marilyn
>
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