This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics And Genetic Disorders, Subject name: Pediatrics
[{'content': 'Karyotype of a patient shows the following, what is the clinical abnormality that is expected? \nSelect and explain. \nA. Gynecomastia with long thin limbs, B. Short stature with polydactyly, C. Webbed neck with widely spaced nipples, D. Rocker bottom feet', 'role': 'user'}, {'content': "Answer: A \nExplanation: a. Gynecomastia with long thin limbs(Ref: Nelson's 20/e p 618, Ghai 8/e p 640)Given Karyotype is 47 XXY - Kilnefelters syndrome with Gynecomastia with long thin limbs as expected findings.", 'role': 'assistant'}]