Question

A man with blood group 'A' marries a woman with blood group 'B'. All the possible blood groups of their offsprings?
I. A and B only
II. A B and AB only
III. A, B, AB, and O
IV. O only

Answer 1

Hint: ABO blood grouping system is based on the surface antigens present on the surface of RBC and corresponding antibodies in the plasma. Major phenotypes in ABO blood grouping are A, B, AB, and O blood groups.

Complete answer:
A blood sort (too known as a blood bunch) may be a classification of blood, based on the nearness and nonattendance of antibodies and inherited antigenic substances on the surface of ruddy blood cells (RBCs). These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood bunch framework. A few of these antigens are moreover shown on the surface of other sorts of cells of different tissues. A few of these ruddy blood cell surface antigens can stem from one allele (or an elective form of quality) and collectively shape a blood bunch framework. Here, the man has A blood group and the woman has B blood group. So the offspring can have all the four phenotypes like A, B, AB, and O blood groups.

Hence, it clearly understands that option C is the correct answer.

Note: Keep in mind that, a man with blood accumulates A has an antigen on its RBC encoded by quality A and counteracting operator for B. So also, a woman with blood bunch B has B antigen on its RBC encoded by quality B and counteracting specialist for A. A man with blood accumulated 'A' marries a woman with blood bunch 'B', the conceivable blood bunches of their relatives can be A, B, AB, and O since they have both antigen A and B and antibodies for both A and B.