This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'All of the following are true regarding fracture of lateral condyle of humerus except \nSelect and explain. \nA. Usually seen at 6-10 years of age, B. Results in Gun stock deformity, C. Cubitus valgus occurs, D. Tardy ulnar nerve palsy is seen', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Refer results in gun stock deformity. Gun stock deformity occurs as a result of Supracondylar fracture of humerus', 'role': 'assistant'}]