送交者: AI 于 2005-3-17, 15:01:24:
回答: I do not think that you can say that. 由 xh 于 2005-3-17, 14:49:38:
Here is my philosophic opining. Everything has a beginning has an end. Star appears and dies, creature is born and dies. Every element decays, everything has a direction even time has a direction. I can not think gene has no direction.