44. In humans, identical twins are produced by the separation of cells during
(A)organogenesis.
(B)blastomere cleavage.
(C)gastrulation.
(D) pattern formation.
(E)the development of notochord.
詳解 (共 2 筆)
未解鎖
一顆受精卵從輸卵管到子宮後，會經由分裂小...
未解鎖
同卵雙胞胎（identical twin...
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