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Archiver > GENEALOGY-DNA > 2011-02 > 1298921252


From: steven perkins <>
Subject: Re: [DNA] Sorenson Data Base
Date: Mon, 28 Feb 2011 14:27:32 -0500
References: <AANLkTi=mZadprEgyD-x+Y82gYK0r9f8bUizuudS__s5R@mail.gmail.com><201102281814.p1SIEdT8017295@mail.rootsweb.com>
In-Reply-To: <201102281814.p1SIEdT8017295@mail.rootsweb.com>


I write to them periodically and ask about the autosomal database.
They say it is still going to be released but no date as to when.

On Mon, Feb 28, 2011 at 1:14 PM, Tim Janzen <> wrote:
> Dear Ann,
>        Releasing their autosomal data and publishing articles describing
> their autosomal findings are two entirely different things.  We all know
> that analysis of the autosomal data will go on long into the future.
> However, I still think it would be helpful to the genetic genealogical
> community if the SMGF would release the data that they have and release a
> search interface similar to what they have with the Y STR database.  I agree
> with you that autosomal STRs will likely be helpful from a genealogical
> perspective.  Exactly how much help they will provide above and beyond what
> can be done 600,000 to 1,000,000 autosomal SNP chip panel results remains to
> be determined.
> Sincerely,
> Tim Janzen
>
> -----Original Message-----
> From:
> [mailto:] On Behalf Of Ann Turner
> Sent: Monday, February 28, 2011 9:59 AM
> To:
> Subject: Re: [DNA] Sorenson Data Base
>
> I don't think SMGF has put together enough material to publish their
> autosomal findings. However, SMGF staff (Natalie Myres, Ugo Perego, and
> Scott Woodward) are regularly publishing material from their mtDNA and Y
> databases.
>
> I do think dense SNP arrays are the single best method now for relationship
> testing, but autosomal STRs could add an extra layer of resolution. They are
> using multiple sets of three closely spaced autosomal STRs, and since each
> STR has multiple alleles, there are a lot of distinctive haplotypes. If a
> three-STR haplotype within a half-identical region based on SNPs also
> matches, I suspect that would narrow the TMRCA considerably.
>
> Ann Turner
>
>



--
Steven C. Perkins      
http://stevencperkins.com/
Online Journal of Genetics and Genealogy
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http://scpgen.blogspot.com/

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