AP BIOLOGY

THE HUMAN IMMUNE SYSTEM

BLOOD GROUPS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which blood type has both anti-A and anti-B antibodies? Which blood type has both anti-A and anti-B antibodies?
A
Blood type A
B
Blood type B
C
Blood type AB
D
Blood type O
Explanation: 

Detailed explanation-1: -blood group O – has no antigens, but both anti-A and anti-B antibodies in the plasma. blood group AB – has both A and B antigens, but no antibodies.

Detailed explanation-2: -The AB blood type has both A and B antigens, and the O blood type has neither A nor B antigen. By the time you are 6 months old, you naturally develop antibodies against the antigens your red blood cells lack.

Detailed explanation-3: -Doctors call this the ABO Blood Group System. Group A has the A antigen and B antibody. Group B has the B antigen and the A antibody. Group AB has A and B antigens but neither A nor B antibodies.

Detailed explanation-4: -The Anti-A, Anti-B, and Anti-A, B reagents are used in the red blood cell determination of the ABO blood group. They are used to determine the absence or presence of erythrocytic antigens A and/or B on the surface of human red blood cells.

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