下图为人体细胞的形态、数目变化情况，据图分析下列说法正确的是_刷题宝

题干

下图为人体细胞的形态、数目变化情况，据图分析下列说法正确的是

A：图①②③过程中细胞的遗传信息表达过程不同

B：①②③三个过程中已经发生了基因突变的是②③

C：③过程使细胞的遗传物质有所差异，但细胞的形态和功能没有变化

D：与甲相比，乙中细胞的表面积/体积的比值增大，与外界环境进行物质交换的能力增强

上一题下一题 0.0难度选择题更新时间:2013-12-18 10:52:20

答案(点此获取答案解析）

D

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