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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
Marfan syndrome is a genetic disorder involving the body's connective tissue, including the heart, lungs, and spinal cord.
22q11.2 Deletion Syndrome
22q11.2 deletion syndrome is a genetic disorder marked by hypoparathyroidism, certain heart defects, and a cleft lip or palate.