Dictionary of Human Evolution and Biology

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Multiregional Continuity Model

Hypothesis that modern humans evolved throughout the Old World as a single species after the first dispersion of Homo erectus out of Africa roughly 2-1 mya. According to this view, the transition from Homo erectus to Homo sapiens occurred in separate and parallel lines in the three major geographic regions of Africa, Europe and Asia, with the assumption that gene flow maintained some genetic homogeneity; essentially, the major racial stocks (as seen by those who hold this view) have deep regional roots. This argument for multiple centers of human origins is a restatement of the Neandertal phase of man hypothesis and of the even earlier concept of polygenism. Aka regional development hypothesis, multiregional evolution, the multiregional development model, and the polyphyletic hypothesis of racial origins.

Cf. monophyletic hypothesis of racial origins, out of Africa model.

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