Research a genetic handicap or illness of some kind and discuss the problem

Research a genetic handicap or illness of some kind and discuss the problem. (A few ideas: Tay Sachs, Down’s Syndrome, Cerebral Palsy, Sickle Cell Anemia.) Describe the cause, treatment, and prognosis. What is life like with this illness or handicap? Include information on research and progress that is being made in this area.