Question Detail
Question
How many types of antigens are in ABO blood group? a. 1 b. 3 c. 2 d. 4
Correct Answer
Option C is the correct answer.
Detailed Explanation
The ABO blood group system involves two main types of antigens (A and B) on the surface of red blood cells. Type A has A antigens, type B has B antigens, type AB has both, and type O has neither.
Hint
There are two kinds of markers, A and B.