<prompt> E6, E7 genes of which virus are implicated in oncogenesis ?EBVCMVHTLV- 1HPV  <response>: Ans. is d i.e., HPV HPV selectively infects the epithelium of skin and mucous membrane and may immoalize the keratinocytes leading either asymptomatic infection, or was or neoplasia. Products of E-genes E6, E7 are related to immoalization or malignant transformation of keratinocytes by interfering with p53 and Rb genes, respectively. 