Deletion of the short arms of chromosome 20.
A 46, XX, del(20) (p11) karyotype (Paris Conference, 1971) was identified in an 11-month-old French-Canadian girl with a dysmorphic syndrome, multiple congenital anomalies, psychomotor and growth retardation. Both parents had normal phenotype and karyotype.
D002869:Chromosome Aberrations; D002872:Chromosome Deletion; D002903:Chromosomes, Human, 19-20; D005260:Female; D006801:Humans; D007223:Infant; D010641:Phenotype