title: Ts pol mutants of avian sarcoma viruses: mapping and demonstration of single cycle recombinants.
mesh_terms: D001358:Avian Sarcoma Viruses / Q000235:genetics* / Q000254:growth & development; D003433:Crosses, Genetic; D005814:Genes, Viral; D005816:Genetic Complementation Test; D009154:Mutation; D012194:RNA-Directed DNA Polymerase / Q000096:biosynthesis*; D011995:Recombination, Genetic; D013696:Temperature; D014764:Viral Proteins / Q000096:biosynthesis
chemical_list: D014764:Viral Proteins; D012194:RNA-Directed DNA Polymerase