Part 1 of Essay
Prenatal Diagnosis: Heredity Disorders, Other Biochemical Diseases, and There are over 250 recognized sex-linked diseases, affecting every organ system. Of these, 95% affect males, (Emery, 1968). Despite these many sex- linked diseases, at present prenatal diagnosis can specifically be made in fewer than 40 diseases. (Em ....

Part 2 of Essay
.... missing enzyme causes kidney and blood-vessel problems that lead to high blood pressure, kidney failure and strokes.(Mulinsky, 1989). After many years of symptoms, most patients have died in their thirties and forties owing to a lack specific treatment. A biochemical disorder also caused by a missing enzyme is the Lesch- Nyhan syndrome, an extremely unpleasant disorder characterized not only by profound mental retardation and features of brain damage (stiff limbs with peculiar movements), but also self-muti ....