<prompt> Successful feilization is most likely to occur when the oocyte is inThe oviduct and has entered the second meiotic divisionThe uterus and has completed the first meiotic divisionMetaphase of mitosisThe graafian follicle, which then enters the oviduct  <response>: 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. 