autosomal DNA
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The Shijrah and the Y-Chromosome
A sequel arguing that BB and Qureshi reach the same wrong conclusion on Sayyid ancestry by different routes. The post contends that Y-chromosome evidence retains paternal descent that autosomal arithmetic…
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A model runs through it
Razib Khan says 23andMe and Ancestry placed his family in Comilla, Bangladesh. He argues the label ‘Bengali’ hides East Asian ancestry visible in a PCA, then reports qpAdm estimates of…
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Most of the “East Asian” in East Bengalis is not from the Munda
A further data analysis suggests most of the East Asian ancestry in East Bengalis does not come from Munda sources; the author flags an unexplained South Chinese signal in Bangladeshis…
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Genetic change, cultural coherency, and social structure
The author rejects a commenter’s claim that high R1a frequency in South Asia reflects non-paternity events, citing jati endogamy and uniform autosomal ancestry, and compares the Hui, whose Y chromosomes…
