title: A family with an inherited translocation involving the no. 4/no. 21 chromosomes.
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations / Q000235:genetics; D025063:Chromosome Disorders; D002902:Chromosomes, Human, 16-18; D002904:Chromosomes, Human, 21-22 and Y; D002905:Chromosomes, Human, 4-5; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D014178:Translocation, Genetic