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(Hypotheses (Molecular evidence (greater genetic diversity in African…
(Hypotheses (Molecular evidence, out-of-Africa hypothesis, Multi-regional hypothesis, Fossil evidence), extinct genera (australopithecus (4-2 mya), ardipithecus (5-4 mya), paranthropus (3-1 mya)), Homo sapiens (2.5-3 mya), Big brains (benefits, costs, alternative hypothesis), selection (Lactase gene, traits selected for in UK, major histocompatibility complex (MHC)), Hominidae (characteristics, phlyogeny), Bipedalism (Characteristics, benefits), Primates (characteristics, 2 main groups))