試題詳解

58. Which developmental sequence is correct?
(A) fertilization→gastrulation→blastula formation→morula formation→cleavage
(B) cleavage→fertilization→blastula formation→momla formation→gastmlation
(C) fertilization→cleavage→blastula formation→morula formation→gastralation
(D) fertilization→cleavage→morula formation—blastula formation→gastrulation
(E) fertilization→cleavage→momla formation→gastmlation→blastula formation .