Phylogeny

AP Biology· difficulty 3/5

Chimp Human Gorilla

According to this hominid topology, who is the closest living relative of humans?

  • A

    All three are equally related

  • B

    Humans share no recent common ancestor with the others

  • C

    Chimpanzees

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  • D

    Gorillas

Explanation

Chimpanzees and humans share a more recent common ancestor with each other than either does with gorillas. The (chimp, human) sister relationship is well supported by molecular phylogenetics.

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