Question

a person whose blood group is B required blood transfusion name the possible blood groups of the donors​

Answer 1

Answer:

if he is B negative :  he can only receive blood from other B negative donors or from type O negative donors

and if he is B positive : B positive patients can receive blood from B positive, B negative, O positive and O negative donors.  

Explanation:

Answer 2

If you have type B blood, you cannot get type A or AB red blood cells. If you have type AB blood, you can get transfusions of O, A, B, or AB red blood cells.