問題詳情

50. Developmental similarities observed in most vertebrates are probably due to
(A) chance.
(B) the similar environments in which they live.
(C) homeoboxes.
(D) their phylogenetic histories.
(E) homeoboxes and their phylogenetic histories.

參考答案

答案:E
難度:困難0.222222
統計:A(2),B(3),C(3),D(1),E(4)

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