Basic Medicine:Secrets of the Sequence（10）
Are twins different? That's right. Medically speaking， there are two basic types of twins， one is monozygotic twins， and the other one is dizygotic twins. So far， the doctors could determine if twins are dizygotic or monozygotic through DNA testing， which is quite important for telling whether the twins would suffer from Cohn's disease who has a strong genetic component.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/17 15:14:55