Blood Group Types Percentage

October 29, 2020

Statistics from the american red cross show that the following are the most rare forms of the. In general the rarest blood type is ab negative and the most common is o positive.

Pin On Rh Negative

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

Blood group types percentage. A complete blood type would describe each of the 38 blood groups and an individual s blood type is one of many possible combinations of blood group antigens. The second most common blood group is b with a 32 26 followed by a at 22 8. Some blood types are more common in certain groups.

Almost always an individual has the same blood group for life but very rarely an individual s blood type changes through addition or suppression of an antigen in infection malignancy or autoimmune disease. The discovery of blood types allowed modern transfusions to safely take place. Physicians attempted the use of milk and animal blood as an alternative to human blood but met with limited success.

Is ab with less than 1 of the population having this 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. The least common is ab 1 percent.

As per study the most common blood group in india is o with a 37 12 of population. In comparison only 39 of asians and 37 of caucasians have this type. Distribution of blood types.

The least common blood type in the u s. Prior to the discovery of blood groups blood transfusions were often deadly. People with o blood group have both the antibodies.

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. Each group can be either rhd positive or rhd negative which means in total there are 8 blood groups. Percentage of blood groups in india.

Before the advent of dna sequencing and human leukocyte antigens typing blood type was the basis of paternity testing. There are 4 main blood groups types of blood a b ab and o. The most common blood type among americans is o 38 percent.

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. This difference in antibodies create resistance to some diseases and vulnerable to others.

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. Here s a breakdown of the most rare and common blood types by ethnicity according to the american red cross. Genes determine blood type abo as well as rh.

Your blood group is determined by the genes you inherit from your parents. Blood typing blood groups around the world and the genetics of blood types are discussed in this article.

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