A) only RNA as genetic material
B) only DNA as genetic material
C) DNA and RNA both
D) genes on nucleoprotein complexes as genetic material
Correct Answer: A
Solution :
Reteroviruses have only RNA as genetic material, e.g., oncoviruses, lentiviruses etc. Reteroviruses are provided with specific enzyme known as reverse transcriptase. This reverse transcriptase makes the reterovirus cells capable of synthesizing DNA from RNA in the cell. \[\text{DNA}\,\text{RNA}\] Thus, the viruses provided with reverse transcriptase are known as reterovirus.
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