Blood Types

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What are blood types?

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Blood types are classifications of blood based on the presence or absence of specific antigens and antibodies in the blood. The main blood types are A, B, AB, and O.

Front

What antigens are present in blood type A?

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Blood type A has A antigens on the surface of red blood cells and B antibodies in the plasma.

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What antigens are present in blood type B?

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Blood type B has B antigens on the surface of red blood cells and A antibodies in the plasma.

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What antigens are present in blood type AB?

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Blood type AB has both A and B antigens on the surface of red blood cells and no A or B antibodies in the plasma.

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What antigens are present in blood type O?

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Blood type O has no A or B antigens on the surface of red blood cells but has both A and B antibodies in the plasma.

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What is the universal donor blood type?

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The universal donor blood type is O, as it has no A or B antigens that could trigger an immune response in recipients.

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What is the universal recipient blood type?

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The universal recipient blood type is AB, as it has both A and B antigens and can accept blood from any type.

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What is codominance in relation to blood types?

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Codominance is a genetic pattern where both alleles are expressed equally, as seen in blood type AB, where both A and B antigens are present.

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Where are antibodies located in the blood?

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Antibodies are located in the plasma of the blood.

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What is the role of antigens in blood types?

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Antigens are substances on the surface of red blood cells that determine blood type and can trigger an immune response if foreign blood is introduced.