Blood Type Chart Population

April 18, 2021

The frequencies of the abo and rh blood types vary from population to population. Less than 15 percent of the american population has rh blood.

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Blood type b is more common in asians 25 and less common in latin americans and caucasians both at 9.

Blood type chart population. The below chart shows the percentage of the population that has each blood type. 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. Your blood type is inherited and everyone s blood type falls into one of eight types.

The universal red cell donor has type o negative blood. However the need for o negative blood is the highest because it is used most often during emergencies. Group a has only the a antigen on red cells and b antibody in the plasma group b has only the b antigen on red cells and a antibody in the plasma group ab has both a and b antigens on red cells but neither a nor b antibody in the plasma.

Though collectively there are more than 40 identified antigens in the rh blood type system nearly all antibody response arises from rh d antigens. The universal plasma donor has type ab blood. The abo blood type of the father if the blood type of the child and the mother are known bottom chart.

This is mostly due to the fact that the o type antigen is masked by the presence of an a or b type antigen. In countries such as austria denmark norway and switzerland about 45 50 of the population have this blood type whereas about 40 of poles and ukrainians do so. Central and eastern europe type a is common in central and eastern europe.

Learn about other blood types and their compatibilities in this article. Blood type b makes up only 10 of the population while blood type ab is the rarest at 4. Type matters when it comes to blood transfusions.

Blood type a if the red blood cell has only a molecules on it. Up to 53 of latin americans and 47 of african americans have blood type o. There are very specific ways in which blood types and blood components must be matched for a safe transfusion.

Only around 1 in every 6 million people have rhnull blood. Abo blood type calculator. Most blood type classifications represent the abo type and rh status together as in ab or o.

Dean 2005 2 1 4. The highest frequencies are found in small unrelated populations. Some blood types are more common in certain groups.

In comparison only 39 of asians and 37 of caucasians have this type. Abo blood types can be complicated to understand. The rarest blood type is called rhnull.

A series of related blood types constitutes a blood group system such as the rh or abo system. The need for o is high because it is the most frequently occurring blood type 37 of the population. Blood type b if the red blood cell has only b molecules on it.

And if you disregard the rh and rh blood type classification system and just look at o a b and ab blood types the most prevalent blood type in the us is blood type o 44 with blood type a at a close second 42.

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