This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex Intersexuality, Subject name: Gynaecology & Obstetrics
[{'content': 'In testicular feminisation syndrome: \nSelect and explain. \nA. Buccal smear is chromatin positive, B. Normal breast size is observed, C. Menstruation is scanty and infrequent, D. Streak gonads seen', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is b, i.e. Normal breast size is observedRef: Dutta Gynae 6th/ed, p443In testicular feminization syndrome:Genotype = 46 XY* Hence Barr body is absent i.e. chromatin negative (i.e., option a is incorrect)* Here gonads are testis and are not streak (option d is incorrect)* There is primary amenorrhea (option c is incorrect)(i.e. option d is correct).Rest all options you know.', 'role': 'assistant'}]