30. What would be the consequence if gastrulation did not occur? |
(A) Cleavage would not occur in the zygote.
(B) Embryonic germ layers would not form. I
(C) Fertilization would be blocked.
(D) The blastula would not be formed. 是
(E) The blastopore would form above the gray crescent in the animal pole. j:

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統計: A(1), B(22), C(4), D(15), E(7) #2189342

詳解 (共 1 筆)

#5941441
原腸胚形成(Gastrulation)是...
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