True about a-thalassemia trait –
Correct Answer: Microcytosis
Description: <p>Alpha thalassemia trait occurs by deletion of two of the four alpha chain genes in homozygous called homozygous alpha thalassemia or in double heterozygous form termed heterozygous alpha thalassemia .Blood film shows microcytic & hypochromic red cell morphology but no evidence of hemolysis or anemia.</p><p>Reference :Harsh mohan textbook of pathology sixth edition pg no 321.</p>
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