Pediatrics C.V.S. 807a6ccd In b-thalassemia there is: A Excess a-chain B Reduced a-chain C Excess b-chain D Reduced b-chain High-Yield Explanation d. Reduced p-chain(Ref: Ne/sosn's 20/e p 2349, Ghai 8/e p 341)In beta-thalassemia there is reduced b chain and relatively excess chain.