Examveda
Examveda

Which of the following statements are correct?
P. Viruses can play a role in causing human cancer.
Q. A tumor suppressor gene can be turned off without any change in its DNA sequence.
R. Alteration in miRNA expression levels contributes to the development of cancer.

A. P and Q only

B. Q and R only

C. P and R only

D. P, Q and R

Answer: Option D


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