MICROANATOMY

Detailed explanation-1: -The antigens expressed on the red blood cell determine an individual’s blood group. The main two blood groups are called ABO (with blood types A, B, AB, and O) and Rh (with Rh D-positive or Rh D-negative blood types).

Detailed explanation-2: -Red blood cells have markers on their surface that characterize the cell type. These markers (also called antigens) are proteins and sugars that our bodies use to identify the blood cells as belonging in us. The two main blood groups are ABO and Rh.

Detailed explanation-3: -The marker molecules on your red blood cells determine your blood type and the type of blood that you can safely receive in transfusions. There are four types of blood. Each type has different marker molecules. Blood type A has an A marker and blood type B has a B marker.