title: Chromosome disorders in mental retardation. Whose chromosomes to count?
mesh_terms: D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D003410:Cri-du-Chat Syndrome / Q000175:diagnosis; D012734:Disorders of Sex Development / Q000175:diagnosis; D004314:Down Syndrome / Q000175:diagnosis; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis; D008607:Intellectual Disability / Q000175:diagnosis*; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000175:diagnosis; D008297:Male; D010375:Pedigree; D010641:Phenotype; D012728:Sex Chromatin / Q000032:analysis; D014314:Trisomy