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Cann, Stoneking and Wilson's (1987) study of mitochondrial DNA found a lack of diversity in the Asian population that would have been expected had these migrants hybridised with the Homo erectus already in the area.

Significantly, these anatomically modern humans pre-date most neanderthals, and so could not have descended from them.The stone tools were transitional between the Acheulean period, characterized by a predominance of hand axes, and the later flake-dominated Middle Stone Age.lived on the shore of a shallow lake created by the dammed Awash River.Another, which evolved in Africa about 100,000 years ago, led to modern humans.(view of modern human skull) ©1 Around 186,000 years ago, an ice age set in, creating arid conditions in Africa (Gore & Garrett, 1997).

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