This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Successful feilization is most likely to occur when the oocyte is in \nSelect and explain. \nA. The oviduct and has entered the second meiotic division, B. The uterus and has completed the first meiotic division, C. Metaphase of mitosis, D. The graafian follicle, which then enters the oviduct', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Feilization occurs in the oviduct. The oocyte must have entered a second meiotic division to reduce the chromosome number of the oocyte to a haploid state (n) so that it may fuse with the sperm (also haploid), producing a 2n zygote.', 'role': 'assistant'}]