____ is a group of inherited blood disorders characterised by mild to severe anaemia caused by haemoglobin deficiency in the red blood cells.
A
Thalassemia
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B
Erythroblastosis fetalis
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C
Hypertension
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D
Haemophilia
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Solution
The correct option is A Thalassemia Thalassemia is a group of inherited blood disorders characterised by mild to severe anaemia caused by haemoglobin deficiency in the red blood cells. There are two main types of thalassemia: alpha thalassemia and beta thalassemia. In each variant, a different part of the haemoglobin protein is defective.