Explain the Different Blood Groups in Humans

Proteins produced by the I A and I B alleles are called A antigen and В antigen. The blood group refers to different types of blood types in humans which are determined by different antigens present on the surface of the red blood cells.

Blood Types What Are They And What Do They Mean

Persons with blood group В have В antigen on their RBCs and.

. The six phenotypes in humans are AA AS AC SS SC and CC. A B AB O. ABO blood groups are determined by the gene I isoagglutinin.

So if your blood type AB then you have both the A and B antigens. There are different types of red blood cells such as A B AB and O with or without the Rh factor. Associations between the blood type and disease have been studied since the early 1900s when researchers determined that antibodies.

The main two blood groups are called ABO with blood types A B AB and O and Rh with Rh D-positive or Rh D-negative blood types. B and AB-AB Universal Recipient A B. But the ABO system is not the only blood type.

Regarding the antigen property of the blood all human beings can be classified into four groups those with antigen A group A those with antigen B group B those with both antigen A and B group AB and those with neither antigen group O. The different combinations of the three alleles produces 4 different phenotypes which are A B AB and O. ABO grouping is based on the presence or absence of two surface antigens chemicals that can induce immune response on the RBCs ie A and B.

Blood carries oxygen around the body removes carbon dioxide and helps us fight off infections. Can receive blood fromDonor group. Can give blood to.

The difference is in the antigen present on the red blood cell surface which. A person with blood type A can not give blood to a person with blood type B and vice versa. Each is defined by which antigens are present on the surface of red blood cells.

Somebody with type A blood cells has a type A protein on their RBCs Red Blood Cells a person with type B blood has protein B on their RBCs and a person with type AB has both and a person with type O blood has neither. 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. People with blood group A have the A antigen on the surface of their RBCs and antibodies to antigen В in their plasma.

These groups are called O A B and AB. There are four main blood groups. Group AB is also divisible into A 1 B and A 2 B.

Persons with blood type AB on the other hand can give blood only to persons with AB blood type. The eight phenotypes of the blood group in humans are A-Positive A-Negative B. Type A blood has the A antigen on red blood cells B has the B.

The term human blood group systems is defined by the International Society of Blood Transfusion ISBT as systems in the human species where cell-surface antigens in particular those on blood cellsare controlled at a single gene locus or by two or more very closely linked homologous genes with little or no observable recombination between them and include the. Type O lacks the A and B antigens. If the individuals have antigen A on surface of red blood cells then that is characterized as blood.

I A I B and I O. Persons with blood type O are so-called universal donors since they can give blood to anyone having any of the blood types A B O or AB. 4 Different Types of Blood Groups You can Donate and Receive.

Two groupings ie the ABO and Rh- are widely used all over the world. 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-. People that inherit B alleles make B.

Three different alleles A B and o control human blood type. A B AB and O. Blood is made up of red blood cells white blood cells and platelets held in a liquid called plasma.

A Gene I which controls the blood group formation in humans exists in three different allelic forms. The functions of many of the blood group antigens are not known and if they are missing from the red blood cell membrane there is no ill effect. This group of people can receive blood from any group especially AB preferable.

Human ABO blood type antigens exhibit alternative phenotypes and genetically derived glycoconjugate structures that are located on the red cell surface which play an active role in the cells physiology and pathology. People that inherit A alleles make A antigens. But there is no.

Similarly the plasma of different individuals contain two natural antibodies proteins produced in response to antigens. A AB B and O. Approximately 75-80 of group A belong to the subgroup A 1 and 60 of group AB to the subgroup A 1.

The ABO blood group system is one of the best examples of codominance. O Universal Donor Nil. Group A is subdivided into A 1 and A 2.

There are three alleles I A I B and I of this gene. There are two main antigens that form around our red blood cells they are known as A and B.

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