This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Pathology
[{'content': "Streak gonads are seen in \nSelect and explain. \nA. Turner syndrome, B. Klinefelter's syndrome, C. Klinefelter's syndrome, D. Down's syndrome", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Most patients have primary amenorrhea, and morphologic examination reveals transformation of the ovaries into white streaks of fibrous stroma devoid of follicles.the ovaries are reduced to atrophic fibrous strands, devoid of ova and follicles (streak ovaries).It is the defective development of the gonads in an embryo, with reproductive tissue replaced with functionless, fibrous tissue, termed streak gonads. ref : Robbins Basic Pathology, 9E,page-240', 'role': 'assistant'}]