..there is some part which is genetic. It is very remarkable that the genetic code is the same everywhere. On the other hand there are differences between chimpanzees and humans. Some people think that once we know about the genes we shall know the life forms and the human being. That is a very reductionist point of view. We see a lot of irreversible processes involved in the transcription of genetic information to create the embryo, as well as a lot of irreversible processes going after the birth.
......