Choose the correct option regarding Retrovirus:
a. An RNA virus that synthesizes DNA during infection
b. A DNA virus that synthesizes RNA during infection
c. An ssDNA virus
d. A dsRNA virus
The answer is the option (a) An RNA virus that can synthesize DNA during infection
Explanation: A retrovirus is a single-stranded positive sense RNA virus with a DNA intermediate in addition, as an obligate parasite, targets a host cell.