2 zeta and 2 gamma chains are present in which hemoglobin: (A) Hb Portland, (B) Hb gower I, (C) Hb gower II, (D) HbA2
Answer is A. Hb portland - 2 zeta & 2 gamma.
Hb Gower I - 2 zeta & 2 epsilon.
Hb gower II - 2 alpha & 2 epsilon.