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It is one of the most important human blood group systems. The system is based in the presence or absence of antigens A and B on the surface of red blood cells and antibodies against these in blood serum. A person whose blood contains either or both these antibodies cannot receive a transfusion of blood containing the corresponding antigens as this would cause the red cells to clump. People of blood group O are described as universal donors as they can give blood to those of any of the other groups.

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The ABO system is a classification system for blood types based on the presence or absence of antigens on the surface of red blood cells. There are four main blood types in the ABO system: A, B, AB, and O. Compatibility between blood types is important for blood transfusions to avoid adverse reactions.

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Q: What is the ABO system?
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Related questions

What is the ABO blood system and Co dominance?

explain co-dominance selecting the example of ABO blood group system


The ABO blood system was established by who?

The ABO blood grouping system was established by Karl Landsteiner in 1900. He was awarded the Nobel prize in Physiology or Medicine in 1930.


What are genotype of blood typE ABO blood system?

Ia Ib


What is ABO?

ABO is a classification system for human blood types based on the presence or absence of antigens on red blood cells. There are four main blood types in the ABO system: A, B, AB, and O. These blood types are important for blood transfusions and organ transplants.


In which year ABO system of blood grouping discovered?

The ABO blood group system was discovered in 1900 by Austrian scientist Karl Landsteiner. This discovery revolutionized the understanding of blood compatibility and transfusion compatibility.


The abo antigen system is what is usually referred to when speaking of a persons?

blood type


Why does a disparity in ABO blood group system reduce risk of erythroblastosis fetalis?

What is Erythroblastosis?


When was Nu ABO created?

Abo abo was created in 1992.


Why is testing for Rh antigens and antibodies different from ABO testing?

Testing for Rh antigens and antibodies is done to determine the presence of the Rh factor in the blood, which is a separate system from the ABO blood group system. Rh testing is important for determining compatibility in blood transfusions and during pregnancy. ABO testing, on the other hand, evaluates the presence of A, B, AB, or O antigens on red blood cells to determine blood type.


What is the name of the Abo Drethian homeworld?

Abo Dreth.


What does abo in a car?

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What type of Blood is it if it is covered with no antigenes?

In the ABO system, it is O blood type that contains no surface antigens.