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What is HbE is common in – and explain in detail?
Besides hemoglobin S, there are other hemoglobinopathies due to a point mutation in the beta-globin chain of hemoglobin.
These are -


Hemoglobin C → Seen in Italians and black.
Hemoglobin E → Prevalent in Bengal, Assam and in East India.
Hemoglobin D → Prevalent in Punjabis and Gujaratis.