Genetic disorders are diseases that are inherited. Sickle-cell anemia, cystic fibrosis, and Down syndrome are three common genetic disorders. Choose one of these diseases and research the genetic basis of the
disease as well as how the disease can affect a person who inherits it.

Down Syndrome

Explanation:

95 percent of the time, Down syndrome is caused by trisomy 21 — the person has three copies of chromosome 21, instead of the usual two copies, in all cells. This is caused by abnormal cell division during the development of the sperm cell or the egg cell.

Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle tone (hypotonia) in infancy. All affected individuals experience cognitive delays, but the intellectual disability is usually mild to moderate