This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetic and genetic disorders, Subject name: Pediatrics
[{'content': 'Patau syndrome feature include A/E \nSelect and explain. \nA. Cleft lip, B. Hypotelorism, C. Holoprosencephaly, D. Rocker bottom foot', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Patau syndrome is due to trisomy 13. It is characterised by holoprosencephaly,hypotelorism and cleft lip. Rocker bottom feet is a feature of Edward syndrome or trisomy 18. Reference: Nelson TB of pediatrics pg 404 19th edition.', 'role': 'assistant'}]