The human body is made up of tiny cells. In each cell is the genetic material that all men inherit from their parents. Each cell has a nucleus consisting of approximately 100,000 genes. Each gene is responsible for the synthesis of certain proteins, and thus it defines a characteristic of the body.
Discussion
In one adult, only ten percent of these genes are working at any given time. But while the fetus (unborn child) develops in the uterus that almost half of all genes in ...