List of Genetic Disorders

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 …

…by the absence or underdevelopment of the 6th and 7th cranial nerves. These nerves control eye movements and facial expression. Werner Syndrome is a premature aging disease that begins in adolescence or early adulthood and results in the appearance of old age by 30-40 years of age. Its physical characteristics may include short stature and other features usually developing during adulthood: wrinkled skin, baldness, cataracts, muscular atrophy and a tendency to diabetes mellitus, among others.