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
Persistent primary hyperplastic vitreous (PHPV) is associated with – 
Select and explain. 
A. Patau syndrome, B. Edward syndrome, C. Trisomy 14, D. Downs syndrome
A: Patau syndrome
Answer: A: Patau syndrome 
Explanation: Persistent Primary Hyperplastic Vitreous (PHPV) is seen in association with Trisomy 13 (Patau syndrome) and Trisomy 22.