Assertion :- There are six different combinantons or genotypes of the human ABO blood types.
Reason :- The gene (I) has three alleles `I^(A), I^(B) and I^(0)`
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.