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The human genome comprises about 3 x 109 base pairs of DNA, and no two humans, other than identical twins, ever have been or will be genetically identical. Between any two humans, the amount of genetic variation is about 0.1 percent.

What conclusion would be MOST appropriate about the genetic variation between humans and the three apes as illustrated by the phylogenetic tree?
Responses
A Genetic variation between all four organisms is non-existent.Genetic variation between all four organisms is non-existent.
B The genetic variation between all four organisms is about the same.The genetic variation between all four organisms is about the same.
C The genetic variation between humans and orangutans is the greatest.The genetic variation between humans and orangutans is the greatest.
D Humans branched off from the other three animals due to great genetic variations.

1 answer

The most appropriate conclusion based on the information provided would be:

C The genetic variation between humans and orangutans is the greatest.

This conclusion aligns with the understanding that humans and orangutans are more distantly related compared to other apes, such as chimpanzees and bonobos, indicating a higher degree of genetic variation between these two species.