Find out about Different Blood Groups and their Importance
Blood group system is known as ABO blood group system. There are four main types of blood group- A, B, AB and O. During blood transfusion, it is very important to know about the blood group of donor and recipients. Blood group is controlled by 3 alleles. If the individual with blood group A received blood of group B, then the red blood cells gets destroyed as B blood group is an antigen for an individual with blood group A.