Answer the question

Q. A 10 month old child is being evaluated for the underlying cause of a hemolytic anemia. In diagram shown below, the oxygen dissociation curve for hemoglobin in his erythrocytes is compared with the curve obtained with normal red cells.
Deficiency of which enzyme is most likely to account for the hemolytic anemia in this patient
A) Glucokinase
B) Glucose-6-phosphate dehydrogenase
C) Glutathione reductase
D) Pyruvate kinase


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