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Birth Defects

No one is immune to birth defects, yet not everyone is equally susceptible. Birth defects are not merely a medical problem. They have profound effects on the social and psychological well being of their family and friends. In the normal course of fetal development, cells migrate to their ....

Middle of Paper
.... alone. Tay Sachs disease is another selective genetic disorder that destroyed nerve cells. This causes mental retardation, loss of muscle control and death. Children who inherit an abnormal gene from both parents will inherit the decease. The carrier parents have one normal gene and one defective gene. Carriers of Tay-Sachs disease have no symptoms. " If two carriers have children, each child has twenty-five percent chance of inheriting the defective gene (both parents)" (Strom 174). These children are unable to produce an enzyme that breaks down fats in the b ....

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