Thalassaemia A Genetic Blood Disorder THALASSAEMIA is an inherited form of anaemia with a wide spectrum of severity, varying from the healthy to the severely anemic. Normal red blood cells contain hemoglobin. An inherited defect in the genes that controlled the production of the hemoglobin results in Thalassaemia. The two common types are alpha and beta Thalassaemia. Clinically, t..