So how can cells, which have the same sort of master information DNA, in your brain, and your heart, and your kidney be so different?

那么为什么这些有同种DNA信息的细胞,在你的大脑里,你的心脏里,在你的肾里,表现的如此不同呢

耶鲁公开课 - 生物医学工程探索课程节选