| http://www.w3.org/ns/prov#value | - A retrovirus is an RNA virus that reproduces by transcribing itself to a form of DNA. Retroviruses are used in gene therapy because they are organisms capable of naturally changing the DNA of cells they infect. (RNA viruses insert themselves into the host cell's DNA and replicate along with the cell and its daughters.) Whether the virus is RNA or DNA does not matter, as long as a good gene is adde
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