DiseaseGenetic IssueClinical FeaturesKlinefelter syndromeX extra chromosomeInfertility and small, poorly functioning testicles.Pure gonadal dysgenesisNone.Impaired development of the gonads.XYY maleExtra Y chromosome (47XYY)Taller than average height, low muscle tone, or muscle weakness, clinodactyly, widely spaced eyes, behavioral disorders.XXX femaleExtra X chromosome (47XXX)Learning…