title: Cytological localization of DNA complementary to ribosomal RNA in polytene chromosomes of Diptera.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002875:Chromosomes / Q000032:analysis*; D003582:Cytogenetics; D004247:DNA / Q000032:analysis*; D004175:Diptera / Q000166:cytology*; D005815:Genetic Code; D006651:Histocytochemistry; D006824:Hybridization, Genetic; D008858:Microscopy, Phase-Contrast; D012313:RNA / Q000032:analysis*; D012270:Ribosomes; D012469:Salivary Glands / Q000166:cytology; D014316:Tritium
chemical_list: D014316:Tritium; D012313:RNA; D004247:DNA