Klinefelter's syndrome is a condition caused by a chromosome nondisjunction in males; affected individuals have a pair of X sex chromosomes instead of just one. It causes the male to be infertile.
Patau syndrome, also known as Trisomy 13, is a chromosomal aberration, a disease in which a patient has an additional chromosome 13.Patau syndrome is associated with severe mental retardation, small eyes that may exhibit a split in the iris, a cleft lip and/or palate, weak muscle ton, an increased risk of heart defects, skeletal abnormalities, and other medical problems. Affected individuals rar…
