Question

Blood group system in human beings is controlled by

• A. Gene
• B. Brain
• C. Heart
• D. Veins

Answer 1

The correct option is A Gene

Blood groups in the human beings are decided by their genetic constitution. Blood grouping is a system of classifying blood based on the presence or absence of inherited antigens in the RBCs. Depending upon the group, these antigens may be proteins, carbohydrates, glycoproteins or glycolipids. The blood type of an individual is inherited and is a contribution of both parents.

Therefore, the correct answer is option A.