__________ and her colleagues presented evidence that the modern ancestor of people in the United States, New Guinea, Africa, and East Asia lived about 200,000 years ago.

Question

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Rebecca Cann and her colleagues are known for their work on mitochondrial DNA, which provided evidence for the "Out of Africa" theory, suggesting that modern humans have a common ancestor who lived about 200,000 years ago.

__________ and Her Colleagues Presented Evidence That the Modern Ancestor