来自《耶鲁大学开放课程：生物医学工程探索 第6集 第6集》
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the fallopian tubes, and the ovaries.这是输卵管 这是卵巢 -
You know that the ovary produces an egg.你们知道 卵巢产生卵子 -
An egg is an example of a germ cell.而卵子是一种生殖细胞 -
Has only half of the diploid卵子中只含有我们机体一半的染色体 -
chromosomal content that most of the cells,二倍体基因组中一半的染色体 -
which are called somatic cells in our body have.这些二倍体细胞称为体细胞 -
Germ line cells sperm and egg生殖细胞 包括精子和卵子 -
are produced by the process of myosis,都经由减数分裂形成 -
and that's reviewed in the book,这点书里有提及 -
where it's a special kind of cell division这是一种特殊的细胞分裂形式 -
that results in the reduction of chromosome number结果是使得原本 -
from two copies of each chromosome有两条染色体的一对同源染色体