Blood Type By

December 13, 2020

There are four major blood groups determined by the presence or absence of two antigens a and b on the surface of red blood cells. Rhesus refers to another type of antigen or protein on the surface of red blood cells.

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Blood is either rh positive rh or rh negative rh.

Blood Type by. The american red cross define a blood type as rare when it occurs in fewer than 1 in 1 000 people. Each blood type is also grouped by its rhesus factor or rh factor. Having a rare blood type can make it difficult or even.

The b blood type is rare in europe about 10 of the population but fairly common in asia. In addition to the a and b antigens there is a protein called the rh factor which can be either present or absent creating the 8 most common blood types a a b b o o ab ab. Blood type also called a blood group is a classification of blood based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells rbcs.

Rhnull is the rarest of these. Since type o blood is that which can be used for anyone it is almost always in short supply at hospitals. The ab blood type is the rarest of all.

If you have it you should think of donating. Blood type distribution is also varied among different ethnic and racial groups. Most humans fall into one of four blood groups a b ab or o.

About 42 of the global population has type o blood but just 3 have type o. It is essential that people undergoing the procedure receive the correct blood type or it will trigger the immune system. Here s a breakdown of the most rare and common blood types by ethnicity according to the american red cross.

About 85 of americans have rh blood. Nearly 25 of the chinese population demonstrates this blood type. This blood type is also fairly common in india and other central asian countries.

These antigens may be proteins carbohydrates glycoproteins or glycolipids depending on the blood group system. A and b according to the american red cross. Ordinarily your blood type makes little difference in your life except if you need to have a blood transfusion and now if.

In general the rarest blood type is ab negative and the most common is o positive. The name rhesus comes from rhesus monkeys in. A blood transfusion is a procedure that restores blood to the body.

Blood types are split up into four major groups all dependent on the presence or absence of two certain antigens on the surface of the blood.

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