Then there is Meiosis for our gametes, because they (gametes) are different.

然后是配子减数分裂，因为它们（配子）是不同的。

The answer lies within the amazing process of meiosis.

答案就在惊人的减数分裂过程中。

During the first cellular division called meiosis I, the chromosomal pairs are separated.

第一次细胞分裂，即第一次减数分裂后，配对的同源染色体分离。

There are two types of cell division: Mitosis and Meiosis.

细胞分裂有两种类型：有丝分裂和减数分裂。

The end result of meiosis 2 is production of four haploid cells, n chromosomes; (23 in humans) .

减数分裂 2 的最终结果是产生 4 个单倍体细胞，n 条染色体；(人类为 23 条)。

But right around birth, the oocytes stop developing — they get stuck in the first stage of meiosis.

但是在出生的时候，卵母细胞停止发育——它们卡在减数分裂的第一阶。

Meiosis 2 Meiosis 2 is the second meiotic division and usually involves equational segregation, or separation of sister chromatids.

减数分裂 2减数分裂 2 是减数分裂的第二次分裂，通涉及相等的分离，或姐妹染色单体的分离。

During meiosis, one cell divides twice to form four daughter cells.

在减数分裂过程中，一个细胞分裂两次，形成四个子细胞。

In the second cellular division called meiosis II, the sister chromatids of a given chromosome are separated.

第二次细胞分裂，也就是第二次减数分裂后，每个染色体的姐妹染色单体分离。

They then rush through meiosis II, and their resulting daughter cells total four round spermatids.

然后它们快速通过减数分裂 II，它们产生的子细胞总共有四个圆形精子细胞。

These primary spermatocytes then go into meiosis I, and form two smaller haploid cells called secondary spermatocytes.

这些初级精母细胞随后进减数分裂一期，形成两个较小的单倍体细胞，称为次级精母细胞。

Similar to mitosis, cells also pass through the Interphase, G1, S and G2 phase before they enter Meiosis.

与有丝分裂相似，细胞在进减数分裂之前也经历了间期、G1、S 和 G2 期。

Telophase 1 The first meiotic division effectively ends when the chromosomes arrive at the poles.

末期 1当染色体到达两极时，第一次减数分裂有效地结束。

This tells the secondary oocyte to get ready to complete its second meiotic division.

这告诉次级卵母细胞准备完成第二次减数分裂。

Now we can go straight onto meiosis and the Kreb cycle.

现在我们可以直接进减数分裂和克雷布循环。

To put it simply, during meiosis, the process in which gametes[3] are created, chromosomal crossover occurs.

简而言之，在减数分裂过程中， 即产生配子 [3] 的过程中，会发生染色体交叉。

To do this, the primary oocytes have to complete meiosis 1, and in a person's lifetime only about 400 successfully do that.

要变成配子就必须要经历第一次减数分裂，而一个人的一生中大概只有400个初级卵母细胞可以做到。

The four main steps of meiosis 2 are: prophase 2, metaphase 2, anaphase 2, and telophase 2.

减数分裂 2 的四个主要步骤是：前期 2、中期 2、后期 2 和末期 2。

These structures are critical for the process of cell division in next step at meiosis 1.

这些结构对减数分裂 1 的下一步细胞分裂过程至关重要。

Here are the distinct phases of meiosis: INTERPHASE MEIOSIS 1 CYTOKINESIS 1 MEIOSIS 2 CYTOKINESIS 2.

减数分裂的不同阶是：间期，减数分裂 1，胞质分裂 1，减数分裂 2，胞质分裂 2。