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Blood Type Calculator

The calculator is used to determine the blood type of child when the blood type of parents are known. Blood groups are classified by the ABO system and the Rhesus type system(Rh factor). The four main blood categories of ABO blood groups are A, B, O, or AB type Blood and may be either Rh+ or Rh-.
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Blood Type Calculator   

Mother's Group   
            Father's Group   

Mother's Rh Type
            Father's Rh Type


Child's ABO blood type must be A or O. Rh blood type must be Rh+ or Rh-.

What is a Blood Type?
A blood type (or blood group) is a characteristic of specific substances on the surface of red blood cells, the two most important classifications to describe blood types in humans are ABO and the Rhesus factor (Rh factor).
ABO blood group system:
The discovery of human ABO blood groups was made in 1901 by the famous Austrian scientist Dr. Karl Landsteiner. He divided the blood group
into four categories being A, B, AB, O.  There are two antigens and two antibodies that are mostly responsible for the ABO types.The specific combination of these four components determines an individual's type in most cases.  The ABO system is the most important blood group system in human blood transfusion.
Rhesus blood group system:
The Rh blood group is one of the most complex blood groups known in humans.it has become second in importance only to the ABO blood group in the field of transfusion medicine.It was discovered by Landsteiner and Weiner in 1940. they research with the rhesus monkeys on human blood chemistry led to the discovery of the Rh factor. Rh status will be listed as negative (-) or positive (+). the Rh negative (Rh-) gene is also masked by the presence of a Rh positive (Rh+) genotype. Therefore, a person may have a Rh + blood type and can still have an Rh - gene . Furthermore, 2 parents with Rh + blood types can have a child with Rh - blood type.
Top Use:    Calculate Blood Type - Mother's Group:O  Father's Group:A

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