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Archiver > GENEALOGY-DNA > 2007-03 > 1174575027


From: "Alfred A. Aburto Jr." <>
Subject: Re: [DNA] Using CODIS with STRUCTURE 2.1 to infer individualancestry
Date: Thu, 22 Mar 2007 07:50:03 -0800
References: <666704.27412.qm@web28106.mail.ukl.yahoo.com>
In-Reply-To: <666704.27412.qm@web28106.mail.ukl.yahoo.com>


As a further test, if I send you some specific CODIS results would you
run that through STRUCTURE 2.1 to see what results?
Al

> Anders Pålsen wrote:

>Hi List,
>
> I have made a test to see how useful 13 loci CODIS is for estimating ancestry and admixture in a individual using Structure 2.1 software.
>
> Population genotype data
>
> 1. FBI Caucasian n=293
> 2. FBI Black n=179
> 3. FBI Asian n=195
> 4. Native American (Pooled NO Aboriginal, Saskatchewan, Salishan) n=336
>
> In the test I used mostly default options with a few important exceptions. The result of the test was that most individuals clustered nicely together in their respective groups with a few individuals that had more or less admixture.
>
> I am an amateur but it seems CODIS when using the correct tool is capable of finding a individuals ancestry and also find admixture. I would appreciate any comment from more competent persons.
>
> The barplot for the test is available here.
>
> Pop 1 RED - FBI Caucasian
> Pop 2 GREEN - FBI Black
> Pop 3 BLUE - FBI Asian
> Pop 4 YELLOW - FBI Native American
>
> http://www.geocities.com/tjaaehkere/BARPLOT_TEST.jpg
>
> Structure Software http://pritch.bsd.uchicago.edu/structure.html
> Population data http://www.csfs.ca/databases/
>
>


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