This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Testicular Feminization syndrome is characterised by all except \nSelect and explain. \nA. Absent uterus, B. Primary amenorrhea, C. Normal breast, D. Barr body present', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Karyotype in testicular feminization syndrome is 46 XY. Barr body is therfore absent.', 'role': 'assistant'}]