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Archiver > GENEALOGY-DNA > 2004-08 > 1091466174


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] Markers YCA II a&b
Date: Mon, 2 Aug 2004 11:02:54 -0600
References: <5.2.0.9.0.20040802113747.00a7f4a0@mail.interaccess.com>


This information concerning your Perkins YCAIIa,b results does not have much
meaning until we know if they are all in the same haplogroup or not?
----- Original Message -----
From: "Steven C. Perkins" <>
To: <>
Sent: Monday, August 02, 2004 10:44 AM
Subject: Re: [DNA] Markers YCA II a&b


> Of the persons in the Parkins Perkins study there are 13 with YCA II a and
> b results, 8 are 19/21; 2 are 19/22; and 3 are 19/23.
>
> Steven C. Perkins
>
>
> At 03:28 PM 8/2/2004 +0000, you wrote:
> >In the available research literature it is clear that YCAIIa,b is
> >extremely stable - at least in relation to certain haplogroups.
> >R1b is virtually all 19,23. R1a, which has been the subject of three
> >studies (Passarino et al., 2002; Quintana - Murci et al., 1999; Passarino
> >et al., 2001), is largely 19,23. What is particularly interesting is
that
> >the 2002 study found that YCAIIa,b is bimodal in Norway for R1a. 9 of 17
> >had the motif 19,23 which is virtually universal in all regions of the
> >world studied to date (studies do not include Central or East
> >Asia). However 7/17 Norwegians had a 19,21 motif which is virtually
> >unknown elsewhere.
> >The research literature would not support your assertion that this marker
> >complex is volotile - quite to the contrary.
> >David.
> >
> >
> >--
> >Dr. David K. Faux
> >P.O. Box 192
> >Seal Beach, CA 90630
> >
> >
> >www.davidkfaux.org
> >
> >
> >-------------- Original message --------------
> >
> > > Most of the cousins in our Renshaw project who tested on 37 markers
match
> > > exactly on YCA II a&b. They have values of 19, 23.
> > >
> > > One man, however, tested as 15, 19. See our webpage at
> > > http://www.renshawdna.com/charts.htm and look at the pink block,
fourth
> > line,
> > > labeled GAR. You
> > > will note that I reversed the values for his results at marker YCA II
> > a&b so
> > > that
> > > he is shown as 19, 15, giving him a one-step mutation at YCA II b
using
> > the
> > > infinite alleles model. This reversal is legitimate, I believe, as the
> > order
> > > of the results on these two markers is based solely on convention?
> > >
> > > Because GAR is a fifth cousin to the man labeled CPR, whom he only
matches
> > > 34/37 even using the infinite alleles model on YCA II b as above, we
> > tested GAR
> > > at DNA Heritage as well as at FTDNA. You may be interested to know
that
> > with
> > > the exception of TAGA H4 and GATA H4, which should have a difference
of
> > 1 at
> > > the two labs and did, the numbers matched exactly on all markers that
were
> > > measured by both labs.
> > >
> > > We have learned a few things from this exercise:
> > >
> > > 1. The labs are accurate
> > > 2. Fifth cousins can match only 34/37.
> > > 3. YCA II a&b is much more volatile than we might suppose. It should
be in
> > > red on the FTDNA charts
> > >
> > > Lest any of you think that perhaps the paper trail is wrong and the
two
> > > cousins are not really related, note that they both have the odd value
> > of 20 at
> > > marker #570. Comparatively few R1b's have this value, so we use it to
> > confirm
> > > relationship within our project.
> > >
> > > Comments, please?
> > >
> > > Eleanor Gordon
> > > Renshaw Y-DNA Project Co-Administrator
> > >
> > >
> > > ==============================
> > > Gain access to over two billion names including the new Immigration
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> > >
> >
> >
> >==============================
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> >http://newsletters.rootsweb.com/
>
>
>
> ==============================
> Gain access to over two billion names including the new Immigration
> Collection with an Ancestry.com free trial. Click to learn more.
> http://www.ancestry.com/rd/redir.asp?targetid=4930&sourceid=1237
>
>


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