A 32-year-old woman comes to the GP for a routine health maintenance examination. Hemoglobin is 9 g/dL. MCV is 75 fL. Serum iron and ferritin are within the normal range. Which of the following is most likely to be seen in this patient?
Aberrant synthesis of α-globin
Erythropoietin deficiency
Glutamic acid to valine substitution on β-chain
Heterozygosity for mutation in spectrin
Iron deficiency (early-stage)
