Blood groups are a classification of the blood in a body that is based on the presence or absence of inherited antigenic substances on the surface of red blood cells. These antigens can come in a number of forms, namely carbohydrates, proteins, glycoproteins and glycolipids. The ones that are there depend on the blood group system.
These red blood cell surface antigens can stem from one allele and together they form a blood group system. A person's blood group is inherited from their parents and represent contributions from both the mother and the father. The International Society of Blood Transfusion have classified a total of 30 human blood groups. It is important to have blood groups, in a medical sense, to aid successful blood transfusions.
Certain people with certain blood groups can only accept blood from the same system, others have blood groups that can be accepted by most humans. Classifying blood allows hospitals to keep a supply of each group from donors ready for any transfusions that may need it. Blood donors are a crucial part to this system and although thousands of people donate blood, there is still a short supply of some of the rarer groups.
Blood group systems are categorized by two sub systems. These are the ABO blood group system and the Rh blood group system. The ABO blood group system is the most important blood group system regarding human blood transfusion. The associated anti A and anti B antibodies are usually Immunoglobin M. These antibodies are produced in the first few years of life be sensitization to a variety of foods, bacteria and viruses.
The Rh blood group system is the second most important blood group system for human blood transfusion. The most prominent antigen is the D antigen as it is the most likely to provoke an immune system response from the other five antigens.
Blood group is important especially pregnancy. It is also important to know the blood group for transfusion of blood or transplant of organ.
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Karl Landsteiner discovered the ABO blood group system in 1901, which classifies human blood into different types based on the presence or absence of antigens on red blood cells. This discovery revolutionized blood transfusion practices and laid the foundation for understanding blood compatibility and the importance of matching blood types during transfusions.
Blood type O lacks the antigen proteins of A and B. Blood type O is the universal donor.
There may be issues
If X is the set of all blood groups of human beings and Y is the set of all human beings then the association that associates a blood group to a person having that blood group is not a function from X to Y .
No, this is obvious that not because each human have a different blood group and if there will be a blood transfer, they will definitely need blood with the same group as they have!!
Nothing, O negative blood is the universal donor. Everyone can receive it without complications.
The red marrow is where blood cells are produced.
The group that consists entirely of materials found in human blood is the plasma proteins, such as albumin, globulins, and fibrinogen.
No, your blood group remains the same throughout your life =] x
The Duffy blood group system is a method of categorizing human blood types through the Fy antigens found on the surface of red blood cells. There are 4 of such blood types.