Oncornaviruses and their proviruses.
D002471:Cell Transformation, Neoplastic; D002875:Chromosomes; D004254:DNA Nucleotidyltransferases; D005809:Genes, Regulator; D005815:Genetic Code; D008242:Lysogeny; D009154:Mutation; D009858:Oncogenic Viruses; D012328:RNA Viruses; D012367:RNA, Viral / Q000096:biosynthesis; D013698:Templates, Genetic
D012367:RNA, Viral; D004254:DNA Nucleotidyltransferases