Multiple Choice
Humans and chimpanzees diverged about 6 million years ago.If 20 nucleotide substitutions have occurred between human and chimpanzee lineages in a sequence of mitochondrial DNA, and 30 have occurred between humans and gorillas, then, according to the molecular clock hypothesis, humans and gorillas separated _______ million years ago.
A) 3
B) 6
C) 9
D) 12
E) 30
Correct Answer:

Verified
Correct Answer:
Verified
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