This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Which of the following gene is associated with encoding of reverse transcriptase - 
Select and explain. 
A. Pol, B. Env, C. Gag, D. LTR
A: Pol
Answer: A: Pol 
Explanation: The pol gene codes for polymerase reverse transcriptase and otger viral enzymes such as protease and endonuclease. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO-572