Assertion: In gene therapy of SCID, a patient requires periodic infusion of genetically engineered lymphocytes
Reason :If the ADA gene is introducted into cells at early embryonic stage, it could be a permanent cure
A. If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
B. It both Assertion & Reason are True but Reason is not a correct explanation of the Assetion
C. If Assertion is True but the Reason is False
D. If both Assertion & Reason are false
