Multiple Choice
Humans have 23 pairs of chromosomes, and chimps have 24 pairs of chromosomes. Which of the following best explains the difference in chromosome number between humans and chimps?
A) The common ancestor of humans and chimps had 24 pairs of chromosomes. During human evolution, two human chromosomes fused end to end.
B) In the evolution of chimps, new adaptations resulted from additional chromosomal material.
C) At some point in evolution, human and chimp ancestors reproduced with each other.
D) An Error in mitosis in a common ancestor split one chromosome and resulted in the additional pair seen in chimps.
Correct Answer:
Verified
Correct Answer:
Verified
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