試題詳解

33. Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of homology?
(A) Dogs and wolves have very similar morphologies.
(B) Dogs and wolves belong to the same order.
(C) Dogs and wolves are both members of the order Carnivora.
(D) Dogs and wolves shared a common ancestor very recently.
(E) Convergent evolution has occurred.