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Generalizing Ancient DNA Evidence for Directional Selection

The recent studies on ancient DNA evidence for directional selection in West Eurasia raise questions about whether similar processes occurred in other regions such as India, Mesoamerica, and the Andes. The challenge lies in determining whether the selective pressures observed in West Eurasia can be generalized to these regions, considering their unique histories of urbanism, state formation, and social stratification.

Science, Biology, Genetics