题目内容
受精卵前三次分裂的状况是
[ ]
A.横,横,纵裂 |
B.纵,纵,横裂 |
C.纵,横,纵裂 |
D.横,纵,横裂 |
答案:B
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相关题目
受精卵前三次分裂的状况是
[ ]
A.横,横,纵裂 |
B.纵,纵,横裂 |
C.纵,横,纵裂 |
D.横,纵,横裂 |
题目内容
受精卵前三次分裂的状况是
[ ]
A.横,横,纵裂 |
B.纵,纵,横裂 |
C.纵,横,纵裂 |
D.横,纵,横裂 |
受精卵前三次分裂的状况是
[ ]
A.横,横,纵裂 |
B.纵,纵,横裂 |
C.纵,横,纵裂 |
D.横,纵,横裂 |