This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood, Subject name: Pathology
[{'content': 'With respect to Acute myelodyspalstic syndrome, all of the following cytogenetic abnormalities are seen except- \nSelect and explain. \nA. Trisomy 8, B. deletion of 20q, C. deletion of 5q, D. Monosmy 9', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Monosmy 9 * MDS is frequently associated with chromosomal abnormalities including monosomy 5 and 7, deletion of 5q and 7q, trisomy 8 and deletion of 20q.", 'role': 'assistant'}]