THE HUMAN IMMUNE SYSTEM
BLOOD GROUPS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT true about high frequency antigens?
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antibodies to high frequency antigens make it difficult to find compatible blood
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They are rarely expressed by people’s RBCs
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Examples include H and En a
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antibodies against them will be very rare
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Explanation:
Detailed explanation-1: -The RhD gene encodes the D antigen, which is a large protein on the red blood cell membrane.
Detailed explanation-2: -Answer and Explanation: The correct answer is c. O antigen. In the ABO blood group system, the antigens A, B, and Rh can be found on the surface of the erythrocytes.
Detailed explanation-3: -There are currently 43 recognised blood group systems containing 349 red cell antigens (September 2022). The 43 systems are genetically determined by 48 genes.
Detailed explanation-4: -Individuals with blood type A have antigen A on the membrane of their red blood cells and anti-B antibodies in their blood plasma.
There is 1 question to complete.