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: Pathology
[{'content': 'The gene responsible for folic acid transport is situated on which chromosome- \nSelect and explain. \nA. 10, B. 5, C. X, D. 21', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Folate transporter is the product of gene SLC 19 AI Salute carrier family 19 member which is located on Chromosone 21 q 223', 'role': 'assistant'}]