Based on the nonmeasured morphological features of their skulls, the present papermakes a racio-typological comparative study of the Qinghai Lijiashan people of the Kayue culture andpopulations in the surrounding areas. The results show that morphologically the Lijianshan people areclose to modern northern groups such as the Evenki, Mongolians, North Chinese, Japanese and Buryatsand differ from the Neolithic populations in Qinghai. There is hardly a hereditary relationship betweenthe Neolithic Qinghai populations and the Lijiashan people with the general character of primitive Mongoloids, which indicates their similarity to the modern East Tibetans. The retention of such primitivemorphological character is believed to have possibly been the result of the “genetic drift” appearing whenhuman societies lived in relative isolation.
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