<prompt> A 12 months old girl of ajabi pal aped pallor since 3 months of age. One unit of bloth ansfusion was done at 5 months of age. Now presents with pallor, on examination hepatosplenomegaly. Hemoglobin was 3.8 gmd1., MCV 68, MCH 19. Peripheral smear showed schistocytes. Bone marrow examination show erythroid hyperplasia. Diagnosis is:Sickle cell anemiaAlpha-thalassemiaBeta-thalassemia majorGlucose-6-phosphate dehydrogenase  <response>: Ans. c. Beta-thalassemia 