Principle of Inheritance and VariationHard

Question

A person with unknown blood group unser ABO system, has suffered much blood loss inan acident and needs immediate blood transfudion. His one one friend who has a validcertificate of his own blood type, offers for blood donation without dealy. What wouldhave been the type of blood group of the donor friens ?

Options

A.Type AB
B.Type O
C.Type A
D.Type B

Solution

Blood type ′O′ has no any antigen but both types of antibodies ′a′ and ′b′. The personwith blood type ′O′ is universal donor.

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