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230问答网 > 为什么某雄性个体产生的配子种类为2的n次种？？

为什么某雄性个体产生的配子种类为2的n次种？？

2025-04-02 05:54:14

推荐回答（1个）

回答1：

不考虑交换,不考虑连锁
有n条同源染色体
根据排列组合原理有2的n次排列
因为一个卵原细胞经过减数分裂后只能产生一个卵细胞和三个极体。极体最终是要退化哦，只剩下了一个卵细胞，所以一个卵原细胞只能产生一种配子。
如果换成是精原细胞，那么会产生四个精细胞，它们两两相同，也就是两种。

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