title: The nature and inheritance of an elongated secondary constriction on chromosome 9 of man.
mesh_terms: D000328:Adult; D000740:Anemia / Q000235:genetics; D001345:Autoradiography; D001854:Bone Marrow Cells; D002875:Chromosomes / Q000032:analysis*; D002906:Chromosomes, Human, 6-12 and X; D004261:DNA Replication; D008040:Genetic Linkage; D014644:Genetic Variation; D006570:Heterochromatin; D006579:Heterozygote; D006801:Humans; D007621:Karyotyping; D007962:Leukocytes / Q000166:cytology; D008297:Male; D010375:Pedigree; D012204:Rh-Hr Blood-Group System; D012641:Selection, Genetic; D013194:Staining and Labeling; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D006570:Heterochromatin; D012204:Rh-Hr Blood-Group System; D014316:Tritium; D013936:Thymidine