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How Blood Type Is Determined And Why You Need To Know. Blood types are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body.
A blood type (also known as 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). These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system.
There are four main blood types: A, B, AB and O. Blood bank specialists determine your blood type based on whether you have antigen A or B on your red blood cells. They also look for a protein called the Rh factor.
Sep 15, 2023 · The ABO system has four major blood types: A, B, AB, and O. Blood types are further categorized by the presence (positive or +) or absence (negative or -) of the Rh(D) antigen on the surface of their red blood cells, also known as the Rh factor.
Jun 3, 2020 · Blood types depend on the content of the blood cells and are inherited from parents. There are eight main types. Which type you have affects how you can receive blood.
Mar 5, 2023 · Every person has a specific blood type. Learn what determines your blood type and why it’s important to know what it is.
There are 4 main blood groups (types of blood) – A, B, AB and O. Your blood group is determined by the genes you inherit from your parents. Each group can be either RhD positive or RhD negative, which means in total there are 8 blood groups.
