All cells contain two sets of chromosomes.

所有的细胞都含有两套染色体。

As hybrids, their genome is a combination of the different sets of chromosomes from their two parent species.

作为杂交种，它们的基因组分别是由两个亲代物种的染色体组合而成。

So an egg cell must be fertilized by a sperm cell to form two full sets of chromosomes.

因此，卵细胞必须由精子受精才能形成两套完整的染色体。

First at interphase In interphase, DNA is copied, resulting in two identical full sets of chromosomes to prepare for division.

间期在间期，DNA 被复制，产生两组完全相同的染色体，为分裂做准备。

Nuclear envelopes reform and cleavage or cell plate formation eventually produces a total of four daughter cells, each with a haploid set of chromosomes.

核膜的改造和分裂或细胞板的形成最终产生四个子细胞，每个子细胞都有一组单倍体染色体。