This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Medicine
[{'content': 'All of the following cause microcytic hypochromic anaemia, EXCEPT - \nSelect and explain. \nA. Lead poisoning, B. Thalessemia, C. Iron deficiency, D. Fanconi anaemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: <p>Microcytes are present in iron deficiency anemia,thalassemia , lead poisoning, spherocytosis, anemia of chronic disorders & hemolytic anemia(fragmentation of erythrocytes).</p><p>Harsh mohan textbook of pathology sixth edition pg no 292</p>', 'role': 'assistant'}]