GENEALOGY-DNA-L ArchivesArchiver > GENEALOGY-DNA > 2005-06 > 1117723553
From: Robert Stafford <>
Subject: Re: [DNA] Some haplogroup confusion
Date: Thu, 2 Jun 2005 07:45:53 -0700 (PDT)
I was wondering also about their reporting to customers. When would they report the haplogroup as uncertain. I can think of two ways: (1) maximum genetic distance and/or (2) close matches to other haplotypes. In the latter case, it seems they would check at least to a distance 1 greater than the first match. With the other possible matches at 4, it seems too uncertain to report to the customer.
If they were testing, they would probably test I first since it is much more likely in their customer population.
Matches are with SNP-tested samples. If you order a SNP test, FTDNA would
begin with the test for the highest ranking haplogroup, then continue testing
other SNPs if necessary. Apparently even a weak prediction is cost-effective.
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