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

Now if I put them in contact with one another, the plasmid that's been opened and fragments of the DNA - special fragments that I've produced with the same restriction enzyme, they'll have the same sticky ends, they will naturally hybridize with one another.

如果我让它们互相接触,已经切开的质粒和DNA片段--,这DNA片段是我已用同种限制性内切酶,处理过的特别片段,这两者会有相同的粘性末端,它们会自然地相互杂交

耶鲁公开课 - 生物医学工程探索课程节选