HEREDITY
CODOMINANCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is true about blood type O?
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It contains antigen A only.
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It contains antigen B only.
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It contains both antigen A and antigen B.
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It doesn’t contain antigen A or antigen B.
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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: -Group O can donate red blood cells to anybody. It’s the universal donor. Group AB can donate to other AB’s but can receive from all others.
Detailed explanation-3: -Type O-negative blood does not have any antigens. It is called the “universal donor” type because it is compatible with any blood type.
Detailed explanation-4: -A person with blood group O has antibodies against Rh-A and B thus can donate blood to any other blood group. Thus, the correct answer is option D.
There is 1 question to complete.