48. From earliest to latest, the overall sequence of early development proceeds in which of the following sequences?
(A) first cell division → synthesis of embryo's DNA begins  → acrosomal reaction  → cortical reaction
(B) cortical reaction  → synthesis of embryo's DNA begins → acrosomal reaction → first cell division
(C) cortical reaction → acrosomal reaction  → first cell division  →synthesis of embryo's DNA begins
(D) acrosomal reaction  → cortical reaction  →synthesis of embryo's DNA begins  → first cell division

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統計: A(0), B(1), C(0), D(2), E(0) #3056711

詳解 (共 1 筆)

#5711364
● acrosome(頂體):精子頭部的...
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