A structurally abnormal chromosome (46,XX,?17p+) associated with mental deficiency and congenital malformations.
D000293:Adolescent; D000328:Adult; D001345:Autoradiography; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D003878:Dermatoglyphics; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D007621:Karyotyping