Which of the following protein chain pairs represent fetal hemoglobin?
Ans. is 'c' i.e., a2U2 * Different hemoglobins (depending upon there polypeptide chains) are # HbA or adult hemoglobin (a2b2), # HbF or fetal hemoglobin (a2g2), # HbA2 or minor adult hemoglobin (a2d2), # Gower-1 ( zeta 2 epsilon 2), # Gower-2 (a2e2) # Portland (z2g2)
a2b2
a2e2
a2U2
a2d2