Down Syndrome (Trisomy 21)
Down syndrome is a genetic disorder that includes a combination of birth defects, including some degree of mental retardation, characteristic facial features and, often, heart defects.
Marfan Syndrome in Children
Marfan syndrome is a genetic disorder that affects the body's connective tissue. Connective tissue holds the body's cells, organs, and other tissue together. Connective tissue is also important in growth and development.
22q11.2 Deletion Syndrome
22q11.2 deletion syndrome is a genetic disorder marked by hypoparathyroidism, certain heart defects, and a cleft lip or palate.