Multiple Choice
Humans have 23 pairs of chromosomes and chimps have 24 pairs. How has this difference best been explained?
A) Humans and chimps are not related.
B) Chimps gained a chromosome during their evolution, which explains why they differ from humans.
C) Humans and chimps share very little genetic material.
D) Humans have one chromosome that is the result of a fusion of two chromosomes in our ancestors.
Correct Answer:

Verified
Correct Answer:
Verified
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