GENEALOGY-DNA-L Archives

Archiver > GENEALOGY-DNA > 2007-11 > 1195449908


From: "Dennis Wright" <>
Subject: Re: [DNA] Odd DYS464 results
Date: Mon, 19 Nov 2007 16:25:08 +1100
In-Reply-To: <8E9835FF-3E2B-4064-AB5E-FC0783C88832@vizachero.com>


Yes, I should have picked this up myself. I was just repeating DNA
Heritage's explanation.
We have requested, and DNA Heritage have promised to supply a scan of the
electropherogram ... lets see what it shows.
I had suggested a retest with another lab, and that is still a backup
position.

Dennis W

****************************************************************************
~
~I may be dense, but if there were three peaks then why are there only
~two values? Normally, three peaks should lead to three different
~alleles (e.g. 11,13,13,15 or 11,11,13,13,15,15). not just two. In
~other words, there should be one large peak for 11, one large peak
~for 13, and one large peak for ??.
~
~This strikes me as an odd result, and one that might justify being
~checked by another lab who uses different primers. It is this kind
~of situation in which FTDNA's DYS464X test can be invaluable, though
~of course the expense of switching testing to a different lab is not
~negligible.
~
~Vince
~
~
~
~reported, that should show up as one double height peak
~On Nov 18, 2007, at 3:41 AM, Dennis Wright wrote:
~
~> All that is missing is DYS464=13,13,15,17. He has tested at
~> DNAHeritage
~> DYS464=11,13,13,-. When a retest was requested, Alistair Greenshields
~> advised there were only three large peaks and perhaps the marker
~> should be
~> read:-DYS464=11,11,13,13,13,13. We are not altogether happy with this
~> explanation.
~> What do others think?
~
~
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