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www.disabled-world.com/calculators-charts/blood-chart.php

Blood Types (Groups) A blood type (also called a blood group) is defined as the classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs). A series of related blood types constitutes a blood group system, such as the Rh or ABO system.

www.nhs.uk/conditions/Blood-groups

As group O red blood cells don't have any A or B antigens, it can safely be given to any other group. The NHS Blood and Transplant (NHSBT) website has more information about the different blood groups. The Rh system. Red blood cells sometimes have another antigen, a protein known as the RhD antigen. If this is present, your blood group is RhD ...

www.redcrossblood.org/donate-blood/blood-types.html?icid=rdrt-blood-types&imed=...

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. In addition to the A and B antigens, there is a protein called the Rh factor, which can be either present (+) or absent (–), ...

www.quora.com/What-are-the-different-human-blood-groups-and-types

There are four 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 your blood group can be one of the eig...

en.wikipedia.org/wiki/Blood_type

Blood group systems. A complete blood type would describe a full set of 30 substances on the surface of red blood cells, and an individual's blood type is one of many possible combinations of blood-group antigens. Across the 36 blood group systems, 308 different blood-group antigens have been found.

www.reference.com/science/different-blood-groups-5d1e4ff02ea9fd7f

What Are the Different Blood Groups? The four major blood groups are group A, group B, group AB and group O. Group A has the A antigen in the red cells and A antibody in plasma, and B only has B antigens and B anti-bodies in the plasma. Group AB has both A and B antigens but neither anti-body in the plasma, while group O does not have A or B ...

www.healthline.com/health/rarest-blood-type

Blood is a lot more complex than it looks. Learn more about the different types of blood, including which one is the rarest and the role of genetics in determining your blood type.

www.medicalnewstoday.com/articles/218285.php

Blood types depend on the content of the blood cells and are inherited from parents. There are eight common blood types, and receiving a donation of each affects the immune system in a different ...

www.livescience.com/36559-common-blood-type-donation.html

Here's a breakdown of the most common and least common blood types by ethnicity, according to the American Red Cross. A person's blood type is based on whether or not they have certain molecules ...

patient.info/treatment-medication/blood-tests/blood-groups-and-types

There is some evidence that people of different blood groups may be more or less susceptible to certain diseases - for example, blood clots in the blood vessels (thromboembolism) and malaria. There is no evidence that people with different blood groups should follow different diets. Rhesus types. Most people are 'rhesus positive'.