Genetic Diseases: Inheriting Normal Or Altered Gene

Genetic diseases are still a concern, despite advances in medicine. We know little about them. Inheriting normal or altered gene is always random phenomenon, entirely independent from us. Sometimes a genetic disease does not appear in any generation. There are also situations that the child is the first person in the family affected by a genetic condition (neither parent is a carrier).If the parents are healthy, there is a small probability that their next child will be affected by the same illness. However, a child who already has the changed gene can pass it on to their offspring. The risk of passing the defective gene to a sick person is 50 percent regardless of the sex of the baby
If Mr. and Mrs. Brown are carriers, the disease will not