Principles of Inheritance and Variation Question 35
35. A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend who has a valid certificate of his own blood type offers blood donation without delay. What would have been the type of blood group of the donor friend?
(a) Type B
(b) Type AB
(c) Type O
(d) Type A
Show Answer
Answer : c
Hints & Solution
(c) Type O blood group is considered the universal donor blood group. It can potentially be transfused to any patient regardless of their blood type. In emergency situation, this type of blood can be given to the patient.