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Dienekes' Anthropology Blog

Articles and observations from the world of anthro.
Dienekes' Anthropology Blog  
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Genetic Variation and Recent Positive Selection with 1 million SNPs

Nov 23, 2009
On the left Figure S4 shows PCA and frappe analysis for Eurasia. From the paper: When just the Central/South Asia, Middle East, North Africa, and European groups are analyzed, PC1 (Fig. S4A) distinguishes the Mozabite (North Africa), Middle East, and...

Ancestry-related assortative mating in latino populations (Risch et al. 2009)

Nov 22, 2009
When different races admix, then in the first few generations there is a spectrum of ancestry proportions, ranging from pure individuals of the constituent races to admixed individuals with varying proportions of ancestry. If there is random mating,...

Orientation of ancient Greek temples

Nov 21, 2009
From the paper: One reason for the difference in results might be the context of their construction. Temples in Greece were frequently built upon sites that had been sacred for generations, reaching back into the Bronze Age at places like Thermon,...

Y chromosome diversity, human expansion, drift, and cultural evolution (Chiaroni et al. 2009)

Nov 20, 2009
The supplementary material has some very interesting maps of the distribution of all major Y-chromosome haplogroups, and lists the geographical centroids with the standard deviations of all haplogroups. For example, the centroid of haplogroup J is in...

Genetic methods applied to linguistic diversity of the Sahul

Nov 18, 2009
It is great to see cross-pollination between the sciences; in this case, use of STRUCTURE has led to insights about languages of the Sahul. From the paper: Although we cannot specify how many different migrations have colonized Sahul since the first...


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