AP BIOLOGY

THE HUMAN IMMUNE SYSTEM

BLOOD GROUPS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What antigens are present in a person with AB-blood?
A
A, B, and Rh
B
Rh, only
C
A and B
D
No antigens
Explanation: 

Detailed explanation-1: -Blood group B has B antigens with anti-A antibodies in the plasma. Blood group A has A antigens on the red blood cells with anti-B antibodies in the plasma. This combination of antigens and antibodies determine which blood type you can be safely given for medical purposes.

Detailed explanation-2: -In the AB blood group, both the antigens A and B are present on the red cells of the individual, and the serum contains neither anti-A nor anti-B antibodies.

Detailed explanation-3: -Identifying ABO blood types People with type A blood have the antigen A on the surface of their RBCs, while people with type B blood have the B antigen. Individuals with type AB blood have both A and B antigens, whereas people with type O blood have no antigens present (there is no antigen O).

Detailed explanation-4: -If your blood is A positive (A+), it means that your blood contains type-A antigens with the presence of a protein called the rhesus (Rh) factor. Antigens are markers on the surface of a blood cell.

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