精子数
The result of fertilization now is a new cell that is the union of the sperm and the egg, and it's called the zygote and it contains the diploid number of chromosomes, genes.
受精就是产生,一个精卵结合的新细胞,称为受精卵,它含有二倍体的染色体基因
生物医学工程探索课程节选 : 耶鲁公开课
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