Chromosomal aberrations.
D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002875:Chromosomes; D000013:Congenital Abnormalities / Q000209:etiology*; D006801:Humans; D008607:Intellectual Disability / Q000209:etiology*; D010829:Physiological Phenomena; D019849:Sex Determination Processes
ABNORMALITIES/etiology; CHROMOSOMES; MENTAL DEFICIENCY/etiology; SEX DETERMINATION