title: Interpretation of sex chromosomal RNA synthesis in the opossum, Didelphis virginiana.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002869:Chromosome Aberrations; D007621:Karyotyping; D008214:Lymphocytes / Q000166:cytology; D008297:Male; D009893:Opossums; D012313:RNA / Q000096:biosynthesis*; D012730:Sex Chromosomes; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D014316:Tritium; D012313:RNA; D014529:Uridine