下列有关哺乳动物个体发育的叙述,错误的是(    ) A.胚胎发

 下列有关哺乳动物个体发育的叙述,错误的是(    )

A.胚胎发育过程中也会出现细胞衰老

B.幼鹿经过变态发育过程长出发达的鹿角

C.胚后发育过程中伴有细胞分化

D.来自原肠胚同一胚层的细胞经分化发育成不同的组织

答案

B


解析:

此题考查的是哺乳动物个体发育过程中的特点,属于考纲识记层次。胚胎发育过程中中细胞也会经历细胞产生、生长、分化、衰老、凋亡的过程。幼鹿的胚后发育不属于变态发育。胚胎发育和胚后发育中均有细胞分裂和细胞分化。

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