Chromosome disorders associated with mental retardation.
D000015:Abnormalities, Multiple; D002869:Chromosome Aberrations / Q000150:complications*; D025063:Chromosome Disorders; D003410:Cri-du-Chat Syndrome / Q000150:complications; D004314:Down Syndrome / Q000150:complications; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D007713:Klinefelter Syndrome / Q000150:complications; D008831:Microcephaly / Q000150:complications; D012886:Skull / Q000002:abnormalities; D014314:Trisomy