Mental deficiency and malformations in a boy with a group-C ring chromosome: 46, XY, Cr.
D000015:Abnormalities, Multiple; D002675:Child, Preschool; D002869:Chromosome Aberrations / Q000150:complications*; D025063:Chromosome Disorders; D002906:Chromosomes, Human, 6-12 and X; D003582:Cytogenetics; D006801:Humans; D008607:Intellectual Disability / Q000150:complications / Q000235:genetics*; D007621:Karyotyping; D007962:Leukocytes; D008297:Male; D008938:Mitosis