Question
Biology Question on biological classification
Retrovirues have _____ as genetic material.
A
only DNA
B
only RNA
C
both DNA and RNA
D
either DNA or RNA
Answer
only RNA
Explanation
Solution
Retroviruses include Human Immunodeficiency Virus (HIV) that causes AIDS. They have RNA as the genetic material and replicate by first synthesising a complementary DNA. This process is called reverse transcription.