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Unformatted text preview: D. is again correct for the opposite reason. Think Neandertal genes. Europeans inherited these genes from Neandertals, while Africans inherited them from ancestral Africans. The common ancestral copy from Neandertals and Africans existed in hominids that lived before the Neandertal-Homo sapiens split, which was long before Mitochondrial Eve or Y-Chromosome Adam. 3. Answer: B, C and D A. is incorrect because if it were true, the European copy would be similar to the African copy, and it is not. 4. Answer: A A formal ancestral-state reconstruction shows that nodes 1 and 2 are reconstructed as bipeda., which makes answers B, C, and D incorrect....
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- Spring '12