There are thousands of cases of sex linked and sex influenced diseases worldwide. These diseases can range from a social inconvenience, to a fatal ailment. In sex linked diseases, like Muscular Dystrophy, hemophilia and color blindness, only males are affected. When a man infected with a sex linked disease has children, all his sons are normal, but all of his daughters are carriers. When a carrier woman and an uninfected man have children, half of the sons are normal, and half of the sons are affected; half of the daughters are carriers a ....