精子的形态特征是{"A":"\u5448\u7403\u5f62\u3001\u80fd\u81ea\u7531\u6e38\u52a8","B":"\u5448\u874c\u86aa\u5f62\uff0c\u6_刷题宝

题干

精子的形态特征是（　　）

A：呈球形、能自由游动

B：呈蝌蚪形，有长尾，能游动

C：呈蝌蚪形，不能游动

D：呈球形，不能自由游泳

上一题下一题 0.0难度选择题更新时间:2014-01-06 04:27:38

答案(点此获取答案解析）

B

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