下列有關各種血色素（Hb）之敘述，何者錯誤？
Hb H 為\mathrm{\delta}_{4}
\mathrm{\delta}_{4}
Hb Bart’s 為\mathrm{\gamma}_{4}
\mathrm{\gamma}_{4}
Hb Portland 為\mathrm{\zeta}_{2}\mathrm{\gamma}_{2}
\mathrm{\zeta}_{2}
\mathrm{\gamma}_{2}
Hb E 為\mathrm{\alpha}_{2}\mathrm{\beta}_{2} ^{\mathrm{26Glu→Lys}}
\mathrm{\alpha}_{2}
\mathrm{\beta}_{2}
^{\mathrm{26Glu→Lys}}
