title: A familial tandem translocation (15;21) (q11;q22) in a case of Down's syndrome.
mesh_terms: D000328:Adult; D002657:Child Development; D002675:Child, Preschool; D002869:Chromosome Aberrations; D002901:Chromosomes, Human, 13-15; D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D007621:Karyotyping; D008297:Male; D010375:Pedigree; D010641:Phenotype; D014178:Translocation, Genetic