HBA2 and microcytic anemia: The blood examinations of the proband indicated hypochromic microcytic anemia. Similar results also be reported in other nucleotide deletion mutation in extron 1 of the α2‐globin gene such as HBA2:c.60delG and HBA2:c.94_95delAG (Harteveld et al., 2003; Zhao et al., 2012).