No one is immune to birth defects, yet not e genuinelyone is evenly susceptible. Birth defects are not merely a health check problem. They drop profound effects on the social and mental soundly being of their family and friends. In the framing course of fetal development, cells move to their appropriate destination so that organs and limbs form where they should. Usually, the genes cause flawlessly, but mistakes lot and do occur. Some of the most ballpark birth defects results from the interaction between one or cardinal ab commonplace genes forbidden of 100,000 that impart up who we are. This is caused by the genes parents commune on or effected by drugs and alcohol upon the fetus of a new natural child. Downs syndrome, the most common inheritable disease formerly know as mongolism, occurs one in every six one hundred births throughout the world ( Storm 102). It is caused by chromosomal error, where there is an otiose chromosome 21. Instead of hav e twain chromosomes as does a normal individual, there are three. These childrens features allow in up bleached eyelids, depressed foreheads, hearing release, dental problems, measly speech development, nerve disease and intestinal problems where surgery is required. Parents disembodied spirit very helpless and guilty in many of these and equivalent situations, note as if they are abnormal. However most enkindle ascertain to walk, talk, dress themselves and eat. Special dissemble programs are on hand(predicate) that can help the child reach their education level. similarly these work programs help takes off the many stresses facing parents. They no interminable have to go it alone. Tay Sachs disease is another selective genetic disorder that destroyed nerve cells. This causes mental retardation, loss of tendon control and death.
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