A couple, with a fimily history of beta thalassemia major in a distant relative, has come for counseling. The husband has HbA2 of 4.8% and the wife has HbA2 of 2.3%. The risk of having a child with betathalassemia major is -: (A) 50%, (B) 25%, (C) 5%, (D) 0%
Answer is D. Ans. is 'd' i.e., 0%