What Determines Positive Or Negative Blood Type

March 17, 2021

To determine if you have a positive or negative blood type check your medical records to see if your blood s rh factor has already been tested. If not ask your doctor for a blood type test.

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In most cases o rhd negative blood o can safely be given to anyone.

What determines positive or negative blood type. 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. Type ab positive blood is called the universal recipient type because a person who has it can receive blood of any type. Type o negative blood is called the universal donor type because it is compatible with any blood type.

Alternatively ask your parents what their blood type is since if they re both negative you will be too. 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. Positive blood is the type of blood in which the red blood cells contain the rh factor on the surface.

The determination of both positive and negative blood is essential prior to blood transfusion and in mothers to be. Difference between positive and negative blood definition.

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