title: A 13-year-old girl with karyotype 47, XX, +i (22) (qll).
mesh_terms: D000293:Adolescent; D002877:Chromosomes, Human / Q000648:ultrastructure; D002904:Chromosomes, Human, 21-22 and Y; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D007621:Karyotyping; D010641:Phenotype; D011628:Puberty, Delayed / Q000235:genetics*; D014314:Trisomy