title: Double autosomal trisomy and mosaicism for chromosomes no. 8 and no. 21.
mesh_terms: D002904:Chromosomes, Human, 21-22 and Y; D002906:Chromosomes, Human, 6-12 and X; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D007223:Infant; D007621:Karyotyping; D008540:Meiosis; D008938:Mitosis; D009030:Mosaicism; D010641:Phenotype; D013194:Staining and Labeling; D014314:Trisomy