Scientists may map the insertion sites of viruses in DNA isolated from tumors that formed following retroviral infection in order to
A)Identify the viral genes responsible for transformation. B)Discover new proto-oncogenes. C)Determine how viruses suppress tumorigenesis. D)Understand how viruses infect cells. E)All of the above.
A)It is present only in vertebrate cells containing integrated viral DNA. B)It results in cellular transformation. C)It is an example of a proto-oncogene. D)It is highly conserved among vertebrate species. E)C and D.