What Evidence Exists That Humans Evolved in Africa? Select the TWO

question 156

Multiple Choice

What evidence exists that humans evolved in Africa? Select the TWO answers that are correct.

• A) Humans today can trace their mtDNA to four female ancestors,all of whom lived in Africa many thousands of years ago.
• B) Modern-day Africans have acquired half as many mtDNA mutations as compared to the mtDNA of people in the rest of the world.
• C) Genetic diversity in nuclear DNA is lowest in African populations and increases in populations located farther away from Africa.
• D) The oldest known fossils of modern humans,approximately 160,000 and 195,000 years old,were found in Ethiopia.
• E) As shown by mtDNA studies,one branch of the human family tree consists of modern Africans,and the other branch consists of all other populations in the world.

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