The possibility that the Neanderthals did not interbreed extensively with modern humans is supported by evidence that shows ______.

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The possibility that the Neanderthals did not interbreed extensively with modern humans is supported by evidence that shows the uniformity of human mitochondrial DNA may point to the origin of all modern humans from a very small splinter population. Explanation: The evidence for limited interbreeding between Neanderthals and modern humans is supported by the remarkable uniformity in modern human mitochondrial DNA, suggesting all modern humans descended from a relatively small ancestral population. This points to a bottleneck effect and limited gene flow from Neanderthals, despite their coexistence in time and overlapping geographic ranges with modern humans. Other options are not fully accurate; for example, fossil evidence shows their coexistence, and gene pools show some similarity but evidence of limited interbreeding rather than complete separation.

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