title: Transmission of a 13-15-21 translocation in six families.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001789:Blood Group Antigens; D002455:Cell Division; D002648:Child; D002675:Child, Preschool; D002869:Chromosome Aberrations / Q000235:genetics*; D025063:Chromosome Disorders; D046508:Culture Techniques; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D005347:Fibroblasts / Q000166:cytology; D006801:Humans; D007223:Infant; D007621:Karyotyping; D008214:Lymphocytes / Q000166:cytology; D008297:Male; D008875:Middle Aged; D012728:Sex Chromatin; D013737:Testis / Q000166:cytology
chemical_list: D001789:Blood Group Antigens