Blood Type By Map

December 30, 2020

If your blood type is rare in your country you can look for your worldwide ancestors and see where you got that from. However this is just a very basic labeling of our blood types and each type has further subdivisions.

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There are two types of universal donors when it comes to blood type.

Blood type by map. Type o is particularly high in frequency among the indigenous populations of central and south america where it approaches 100. Blood type b doesn t carry the b antibody making blood type b group to be compatible in receiving plasma from groups b and ab. There are an additional 61 known antigens in the rh system which can create millions of possible blood types.

The o blood type usually resulting from the absence of both a and b alleles is very common around the world. Note that it is. It s nice to have american or asian roots after all isn t it.

The universal donor is blood type o and the universal receiver is type ab. Nearly 25 of the chinese population demonstrates this blood type. There are 4 lettered blood types.

The following maps sum it up for you. These antigens may be proteins carbohydrates glycoproteins or glycolipids depending on the blood group system. The ab blood type is the rarest of all.

A b ab and o. 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 is the most common in humans as well but those with it can only receive type o.

There are four main blood types. The b blood type is rare in europe about 10 of the population but fairly common in asia. This can be classified as either rh positive or rh negative.

Rh factor is an additional marker in the blood. Each of these blood types is then assigned a positive or negative rh value. As you may see the o allele is very common around the world.

We have learned a good deal about how common each of the abo blood types is around the world. This blood type is also fairly common in india and other central asian countries. 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.

More than 60 of humans share it. The patterns can thus be traced to specific regions migrations and intermingling of various civilizations in human history. O a b and ab.

It also is relatively high among australian aborigines and in western europe especially in populations with celtic ancestors. This can be seen with the global frequency patterns of the type b blood allele shown in the map below. Rare blood types do exist and people with these typically have to bank their own blood over time for use in an emergency.

About 63 of humans share it. However blood type b plasma can only be given to type o and b recipients. 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.

In general there are four main blood types or blood groups a b ab and o with both rh negative and rh positive variants for each group.

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