Evaluating Nubian Population Structure from Cranial Nonmetric Traits: Gene Flow, Genetic Drift, and Population History of the Nubian Nile Valley

Abstract

, and Relethford-Blangero residuals), supplemented by spatial-temporal modeling (Mantel tests and PROTESTs). Variation was high among these groups, indicating an intricate pattern of relationships in their population history where similar levels of gene flow probably stemmed from extensive cultural contact with Egypt and other populations in a variety of contexts. Genetic drift was also apparent in some of these sites, which is consistent with social and political histories of these groups. Traditional modeling of spatial-temporal patterning was not successful, which may be attributed to the nonlinear, loose clustering of Nubian groups by site. Collectively, the archaeological, biological, and environmental evidence supports the ideas of multiple populations living in Lower Nubia during the Paleolithic and/or a new population entering the area and shaping Nubian population structure.

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