Blood Type By Geography

November 05, 2020

Up to 53 of latin americans and 47 of african americans have blood type o. These antigens may be proteins carbohydrates glycoproteins or glycolipids depending on the blood group system.

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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.

Blood type by geography. The human abo blood groups were discovered by austrian born american biologist karl landsteiner in 1901. The b blood type is rare in europe about 10 of the population but fairly common in asia. Some blood types are more common in certain groups.

This blood type is also fairly common in india and other central asian countries. Blood type b is more common in asians 25 and less common in latin americans and caucasians both at 9. Landsteiner found that there are substances in the blood antigens and antibodies that induce clumping of red cells when red cells of one type are added to those of a second type he recognized three groups a b and o based on their reactions to each other.

The ab blood type is the rarest of all. Nearly 25 of the chinese population demonstrates this blood type. In comparison only 39 of asians and 37 of caucasians have this type.

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Type O Is Particularly High In Frequency Among The Indigenous Populations Of Cen Indigenous Peoples Of The Americas Indigenous Peoples Native American Ancestry