Which Hbs have the same electrophoretic mobility on alkaline cellulose acetate



Which Hbs have the same electrophoretic mobility on alkaline cellulose acetate?

HbS, C, D and Hb Punjab (also Hb lepore) occur at the same position on cellulose acetate at  pH8.6 . Also Hb C, E and C harlum occur at the  position of Hb A2.