Rh-ve person donated blood to Rh+ve person for the second time. Then

Rh (-ve) person has

Rh (-ve) person has

Rh (-ve) person has

The genotypes of Rh positive person could be :

Can a person with blood group O Rh +ve donate blood to a person with blood group O Rh -ve.

A person with A-ve blood group is injured severely in an accident. His relatives with A+ve and B-ve blood groups were ready to donate blood for him. Infer the consequences if he receives blood from them.

What complications will arise if the blood of an Rh positive person is transfused to an Rh negative person and vice versa ?

B blood group person can donate blood to and receive blood from