Assertion :- Inhibition of transcription is the only method of regulation of gene expression in all organisms.
Reason : Transcription is the first step of gene expression.
A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
B. If both Assertion & Reason are trur but Reason is not a correct explanation of the Assertion.
C. If Assertion is True but the Reason is Flase.
D. If both Assertion & Reason are false.