title: Regional chromosome 12 mapping: information from a family with a (12;21) reciprocal translocation.
mesh_terms: D000328:Adult; D000368:Aged; D002675:Child, Preschool; D002872:Chromosome Deletion; D002874:Chromosome Mapping; D002904:Chromosomes, Human, 21-22 and Y; D002906:Chromosomes, Human, 6-12 and X; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D014178:Translocation, Genetic; D014314:Trisomy