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: Forensic Medicine
[{'content': 'An Rh-negative woman married to a heterozygous Rh-positive man has three children. The probability that all three of their children are Rh-positive is: Himachal 10 \nSelect and explain. \nA. 1:02, B. 1:04, C. 1:08, D. Zero', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. 1: 8', 'role': 'assistant'}]