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Archiver > GENEALOGY-DNA > 2008-06 > 1212944161


From: "Ken Nordtvedt" <>
Subject: Re: [DNA] Generations2 program and the CMH-12 extended haplotypes...
Date: Sun, 8 Jun 2008 10:56:01 -0600
References: <936471110806080753k1912d8e7s787d45c8d71666a@mail.gmail.com><009f01c8c97a$e40205b0$6400a8c0@Ken1><484C0D1B.90109@sbcglobal.net>


You should be able to proceed with your 37 marker set. Just delete the
columns for markers 38-67

Make sure your 1 to 37 are aligned correctly. Then you should get an
output. I really don't know what went wrong with your attempt.


----- Original Message -----
From: "Alfred A. Aburto Jr." <>
To: <>; "'Bonnie Schrack'"
<>; <>
Sent: Sunday, June 08, 2008 10:47 AM
Subject: [DNA] Generations2 program and the CMH-12 extended haplotypes ...


> Ken,
> Thank you for all your work! I have downloaded your Generations2
> program. I hope it is the right one to use. I took 29 CMH-12 extended
> haplotypes (67 markers) from Bonnie Schrack's Y-DNA J website
> (http://www.familytreedna.com/public/Y-DNA_J/) where she has a J1 clade
> called "J1 w/22-22 Cohen" (the "22-22" means YCAII=22-22 as modal for
> this clade) and from Ariel Cohen's Cohen DNA Project
> (http://www.familytreedna.com/public/Cohen/) to put in your spreadsheet
> calculator. Also I found a few others in Ysearch that had the CMH-12 or
> were "close" to to the 67 marker extended haplotypes. These are
> basically all the 67 marker extended CMH-12 cases I could find. This
> group of 29 CMH-12 extended haplotypes had the CMH-12 as modal. I made
> sure to line up all the markers properly. I added a gap between the 37
> marker limit at column "AN". The result came out as G*(A) = 55.62958
> generations or using 30 years per generation as 1668.9 years ago (call
> it 1700 years ago). The confidence interval is something I am not sure
> about and I would have to rely on you for that answer. So the CMH-12
> extended haplotypes appear to have an MRCA age of about 1700 years ago.
> This seems very reasonable from just looking at these haplotypes as they
> are tightly grouped with a maximum mismatch of 15 markers out of 67.
>
> To make sure the variance is accurate, and thus the age, additional
> known J1 Cohen's testing 67 markers are needed!
>
> I have a set of 66 J1 extended CMH-12 haplotypes having 37 markers, but
> the Generations2 program _did_not_ work with them. G*(A) was #DIV/0!.
> This larger set of CMH-12 37 marker extended haplotypes would lend
> support to the above MRCA age if a similar result was obtained (fewer
> markers but more haplotypes).
> Al
>
>
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