Deletion of the short arm of chromosome 20.
A de novo deletion of the short arm of chromosome 20--del (20) (p11) or (p11p13)--is described in a child with psychomotor retardation and multiple congenital anomalies.
D000015:Abnormalities, Multiple / Q000235:genetics*; D002872:Chromosome Deletion; D002890:Chromosomes, Human, Pair 20; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000235:genetics*; D008297:Male