This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Malformation of the Female Generative Organs, Subject name: Gynaecology & Obstetrics
[{'content': 'The target gene for SRY which favors testis differentiation is: \nSelect and explain. \nA. SOX-9 gene, B. RS po 1 gene, C. Dax 1 gene, D. WNT-4 gene', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a, i.e. SOX-9 geneRef: Leon Speroff 8th/ed, p334The target gene for SRY which favours testis differentiation is SOX-9 geneThe genes which favour ovary differentiation are:WnT4Rspo1Dax 1', 'role': 'assistant'}]