This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics And Genetic Disorders, Subject name: Pediatrics
[{'content': 'The chromosomal disorder in patau Syndrome is: \nSelect and explain. \nA. Chromosome 21, B. Chromosome 18, C. Chromosome 13, D. Chromosome 45x / 46xx', 'role': 'user'}, {'content': "Answer: C \nExplanation: (Chromosome 13) (593-G) (615-Ghai 7th)* Down syndrome - 21* Edwards syndrome - 18* Patau syndrome - 13* Turner's syndrome - 45X/ 46XX* Klinefelter syndrome - 47XXY", 'role': 'assistant'}]