Teratogens: Any mediator that can disturb the development of an embryo or fetus. Teratogens may cause a birth defect in the child. Or a teratogen may stop the progress of the pregnancy outright. The programs of teratogens including radiation, maternal infections, chemicals, and drug. There are four results of teratogens. First, death of embryo (abortions and miscarriages). Second, malformation in birth (birth defects). Third, fetal growth deficiency and premature births. Finally, postnatal functional problems including cognitive deficits and behavioral and psychosocial problems. Teratogens effects depend on the period of development; if teratogens …show more content…
Commonly, one of the parents might also have the disease.Inheriting a disease, situation, or trait depends on the kind of chromosome affected non sex or sex chromosome. It also depends on whether the trait is dominant or recessive. Dominant inheritance means an abnormal gene from one parent can source disease. This happens even when the identical gene from the other parent is normal. The abnormal gene dominates.This disease can also happen as a new condition in a child when neither parent has the abnormal gene.A parent with an autosomal dominant condition has a chance of having a child with the condition. This is accurate for each