title: Studies on the ribosomal RNA cistrons in interspecific Drosophila hybrids. I. Nucleolar dominance.
mesh_terms: D000818:Animals; D002455:Cell Division; D002466:Cell Nucleolus / Q000502:physiology*; D003433:Crosses, Genetic; D004330:Drosophila / Q000502:physiology*; D004331:Drosophila melanogaster / Q000502:physiology*; D005260:Female; D006824:Hybridization, Genetic; D007814:Larva; D008297:Male; D012335:RNA, Ribosomal / Q000378:metabolism
chemical_list: D012335:RNA, Ribosomal