From: Molecular patterns of alpha-thalassemia in the kingdom of Saudi Arabia: identification of prevalent genotypes and regions with high incidence
Mutation
NO. of the affected chromosome
Percent
--SEA
8
0.99%
--MED
14
1.8%
– α3.7
503
62.3%
- α 4.2
1
0.12%
α2 IVS1 (−5nt)
167
20.7%
α2 polyA-1 (α2 T.Saudi)
113
14.1%
α2 polyA-2 (α2T.Turkish)
Total
807
100%