Each of the following has an aasertion (A) and a reason (R).Mark answer as
Assertion (A): A person with blood group O is considered a universal recipient
Reason (R): Type O blood does not contain any antigens.
If a blood group has no antigens, it won't trigger an immune response, even if the recipient has a different blood type. Hence, both A and R are true, and R is the correct explanation of A.