What is the abo blood classification based on? antibody on the red blood cell antigen in the blood antigen on the red blood cell hemoglobin in the blood

The ABO blood group classification is based on antigens on red blood cells and antibodies found in blood plasma.

Blood type A has antigen A on the red blood cells and anti - B antibodies in the blood.

Blood type B has antigen B on the red blood cells and anti - A antibodies  in the blood.

Blood type AB has both antigen A and B on the red blood cells but has no anti-A nor anti - B antibodies in the blood

Blood type O has no antigen on the red blood cells and has both anti -A and anti B antibodies in the blood.

The presence of antigen on the surface of the red cell supports the classification of the ABO blood group system.

Further Explanation:

The Austrian immunologist Karl Landsteiner was the first person to discover the ABO blood group system in 1901. In the process of understanding the reason behind the cause of death after blood transfusion, he made a discovery.

The A and B type antigens are present on the surface of the red cell(erythrocyte) and the opposite antibodies are present in the serum. The blood group is divided into four principle type namely; type A, B, O, and AB. There are two types of antigen and two types of antibodies that are responsible for all the blood types. If the blood group of an individual is type A, so the person will have type A antigen and type B antibodies. The person with the ABO blood group does not have any antigen (neither A nor B).

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Answer Details:

Grade: High school

Subject: Biology

Chapter: Blood cells

Keywords:

Antigen, Blood, group, characteristic, erythrocyte, antigen, antibodies, immunologist, serum, discovered.

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