Table 2 Distribution of the G->A Aγ-globin gene polymorphism and association with the XmnI Gγ-globin gene polymorphism in the β-thalassemia patients of this study
(G->A) mutation Aγ-globin gene | XmnI polymorphism Gγ-globin gene | ||
|---|---|---|---|
G/G | A/G | A/A | |
55 | 0 | 0 | −/− |
0 | 16 | 0 | +/− |
0 | 0 | 4 | +/+ |