Blood Types

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What are Rh antigens?

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Rh antigens are proteins found on the surface of red blood cells that determine the Rh factor of blood types, indicating whether the blood is Rh positive or Rh negative.

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How is blood type determined?

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Blood type is determined by the presence or absence of specific antigens on the surface of red blood cells.

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What blood types can a person with Type AB+ receive?

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A person with Type AB+ blood can receive blood from all types: A+, A-, B+, B-, AB+, AB-, O+, and O-.

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What is the significance of the AB+ blood type?

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AB+ is known as the universal recipient blood type, meaning individuals with this type can receive blood from any donor.

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What is codominance in genetics?

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Codominance is a genetic scenario where both alleles in a heterozygous individual are fully expressed, resulting in a phenotype that shows both traits.

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What is the difference between antigens and antibodies?

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Antigens are substances that can trigger an immune response, while antibodies are proteins produced by the immune system to neutralize or destroy antigens.

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What does it mean if a person is Rh negative?

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If a person is Rh negative, it means they do not have Rh antigens on their red blood cells.

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What are the four main blood types?

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The four main blood types are A, B, AB, and O, which can also be Rh positive or Rh negative.

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What is the role of blood type in transfusions?

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Blood type compatibility is crucial in transfusions to prevent immune reactions that can occur if incompatible blood is transfused.

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What is the universal donor blood type?

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The universal donor blood type is O-, as it lacks A, B, and Rh antigens, making it safe for most recipients.