From: Prevalence and clinical phenotype of the triplicated α-globin genes and its ethnic and geographical distribution in Guizhou of China
Genotypes
Number
HbA (%)
HbA2 (%)
HbF (%)
αααanti3.7/αα
16
97 ± 0.21
3 ± 0.21
–
HKαα/αα
18
96.9 ± 1.0
2.89 ± 0.37
0.7 ± 0.2
αααanti4.2/αα
37
97 ± 0.44
3 ± 0.31
0.8 ± 0.2