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Ancestral component bars (Structure, Admixture, etc.)
Topic Started: Mar 21 2012, 03:15 AM (860 Views)
Master
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Eurogenes Biogeographic Project , West-Eurasian admixtures :

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Intra-West Euro averages :

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Edited by Master, Mar 21 2012, 03:37 AM.
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Signatures of founder effects, admixture, and selection in the Ashkenazi Jewish population
Bray et al. 2010

http://www.pnas.org/content/early/2010/08/23/1004381107.abstract

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Dodecad ADMIXTURES : (Dodecad Project: dodecad.blogspot.com)

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Edited by Master, Mar 21 2012, 03:48 AM.
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Eurogenes Intra North-European : (Eurogenes Project : bga101.blogspot.com)

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Edited by Master, Mar 21 2012, 03:45 AM.
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Saami people
Huyghe et al. 2010

http://www.nature.com/ejhg/journal/vaop/ncurrent/extref/ejhg2010179x1.pdf

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Human population genetic Structure

N.A. Rosenberg et al. Science, Vol 298, Issue 5602, 2381-2385

http://dienekes.blogspot.com/2005/09/human-population-genetic-structure.html

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Gene Flow stops at Gibraltar

http://blogs.discovermagazine.com/gnxp/2011/04/gene-flow-stops-at-gibraltar-mostly

With that in find, I ran ADMIXTURE up to K = 6 for a range of European and North Africa populations. I merged data from Behar et al. and the HGDP. I wanted illustrate the genetic distance between North Africans despite their geographic proximity. I first ran 300,000 markers, but pruned it down to 120,000 markers after confirming that the estimates were congruent between the two runs.

Below is the ADMIXTURE plot divided by population.

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Harappa Ancestry Project
http://www.harappadna.org/2011/03/reference-i-admixture-analysis-k-15/

K=16
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Eurogenes Intra-Iberian analysis :

Key: Red = French + Irish (North Atlantic), Green= central and south Italians (Southern European), Blue = Mozabite Berbers (North African), Purple = Jordanians + Palestinians (Middle Eastern), Yellow= French Basques (Basque). See spreadsheet for details.

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