GENEALOGY-DNA-L ArchivesArchiver > GENEALOGY-DNA > 2006-01 > 1136574876
From: Thomas Krahn <>
Subject: Re: [DNA] YCA iib mutations: infinite alleal
Date: Fri, 06 Jan 2006 20:14:36 +0100
References: <email@example.com> <007101c612ef$a0430bb0$32a28843@yourxhtr8hvc4p>
>> Has anyone else seen an apparent single jump from 19 24 or 19 23 to
>> 19 19?
> Yes, my YCAII went from 19,23 to 19,19, apparently fairly recently.
> My haplotype is close to a typical R1b, but has several unusual values
> that puts it at about 35 on Whit's estimator with Q close behind. I
> am WHVZW in Ysearch.
> Jim Davidson
Always have in mind, that you're coping with a duplicated marker that is
located on the arms of a palindrome.
Those examples above are crying for the existence of a recombinational
loss of heterozygosity (recLOH).
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