Physiology Successful fertilization is most likely to occur when the oocyte is in: A 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 💡 Explanation Successful fertilization is most likely to occur when the oocyte is in: ✓ Correct Answer: A. The oviduct and has entered the second meiotic division