One copy of the chromosome comes from the egg and one copy of each chromosome comes from the sperm, so this you know about.

其中一条染色体来自卵子,另一条来自精子,这些你们都知道

生物医学工程探索课程节选 : 耶鲁公开课

This one cell, this one fertilized cell which is unique because it's the - its chromosome contains the combination of the sperm and the egg, develops into an embryo and then on birth develops into a human.

这个受精卵,是独一无二的,因为它的染色体,包含了精子和卵子的组合,并由此发育成为一个胚胎,之后形成一个人类个体

生物医学工程探索课程节选 : 耶鲁公开课