Which of the Following Characteristics of Retroviruses Most Directly Contributes

Multiple Choice

Which of the following characteristics of retroviruses most directly contributes to their usefulness in gene therapy applications?

A) After infection, the RNA genome of retroviruses is short lived.
B) Retroviruses possess reverse transcriptase.
C) DNA copies of retroviral genomes become integrated into the genome of the infected cell.
D) Conversion of a retrovirus' genome from RNA to DNA occurs without significant proofreading.