Who Has Type O Blood

February 11, 2021

O blood types have two o genes. Next most frequent is a with 35.

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Over 37 of the world s population has o blood type.

Who has type o blood. Knowing which blood type a patient has can be a question of life or death. Type o is the most common blood type which accounts for 37 53 of people in different ethnic and racial groups. A and b types only emerged in the last 20 000 years.

A a b b ab ab o and o. These antigens may be proteins carbohydrates glycoproteins or glycolipids depending on the blood group system. This type of blood is the most frequently found blood types.

This article will discuss 5 interesting facts about o negative type in particular. Over 80 of the population has a positive blood type and can receive o positive blood. The risk of reaction is much lower in ongoing blood loss situations and o.

If you have this type of blood that means that you have two o genes in your blood. Although type o comes from a recessive gene if one parent has a or b blood the child will be a or b o is the oldest type reports the bbc. This enlarges the number of blood types to a total of eight.

This list concerns blood type distribution between countries and regions 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. Type o blood has neither a nor b antigens in the red blood cells but has both a and b antibodies in the plasma. That s another reason it s in such high demand.

So if you have o blood type you are in the majority. This can be the case during pregnancy or when a blood transfusion is taking place. In major traumas with massive blood loss many hospitals transfuse o positive blood even when the patient s blood type is unknown.

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