問題詳情
6. All of the following occur during the cleavage stage of animal development EXCEPT
(A) an increase in the nuclear-to-cytoplasmic ratio of the cells
(B) an increase in the number of blastomeres
(C) an increase in the mass of the embryo
(D) an increase in the surface-to-volume ratio of the cells
(E) rapid cell divisions
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增