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: Ophthalmology
[{'content': 'Persistent primary hyperplastic vitreous (PHPV) is associated with – \nSelect and explain. \nA. Patau syndrome, B. Edward syndrome, C. Trisomy 14, D. Downs syndrome', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Persistent Primary Hyperplastic Vitreous (PHPV) is seen in association with Trisomy 13 (Patau syndrome) and Trisomy 22.', 'role': 'assistant'}]