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Thalassemia (British spelling, "thalassaemia") is an inherited autosomal recessive blood disease. In thalassemia, the genetic defect results in reduced rate of synthesis of one of the globin chains that make up hemoglobin. よりたくさんの

Thalassemia (British spelling, "thalassaemia") is an inherited autosomal recessive blood disease. In thalassemia, the genetic defect results in reduced rate of synthesis of one of the globin chains that make up hemoglobin. Reduced synthesis of one of the globin chains causes the formation of abnormal hemoglobin molecules, and this in turn causes the anemia which is the characteristic presenting symptom of the thalassemias.There are four genetic loci for α globin, two of which are maternal in origin and two of which are paternal in origin. f two of the four α loci are affected, the condition is called alpha thalassemia trait. Two α loci permit nearly normal erythropoiesis, but there is a mild microcytic hypochromic anemia. The disease in this form can be mistaken for iron deficiency anemia and treated inappropriately with iron. less