Blood Groups and Transfusions
- Blood groups
The four blood groups are A, B, AB and O, distinguishable by certain proteins on the red blood cells. Each blood group is either Rh-positive or Rh-negative.
- Blood transfusion
A blood transfusion is the transfer of blood from one person to another. The donated blood must match the recipient's blood type, or complications will occur.
- Rhesus Factor Disease
A person's Rhesus type is determined by a pair of genes, each one inherited from one parent. Blood is either Rh-positive or Rh-negative, depending on whether or not certain molecules are present. A person who is Rh-negative will experience a ...
Last updated: 6 July, 2008
Last reviewed: 6 July, 2008
