title: Interstitial deletion of the short arm of chromosome 2 in a moderately mentally retarded boy without gross clinical stigmata.
abstract: This report describes a moderately mentally retarded boy in whom there is interstitial deletion of the short arm of chromosome 2 (del(2)(p11p21)) associated with the presence in all cells of a small acentric fragment.
mesh_terms: D000293:Adolescent; D002478:Cells, Cultured; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D002900:Chromosomes, Human, 1-3 / Q000648:ultrastructure*; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D007621:Karyotyping; D008214:Lymphocytes; D008297:Male; D012867:Skin