Assisted reproduction involves inducing ovulation, collecting all the egg cells, fertilizing them, and implanting a number of fertilized egg cells in the uterus. (aboutkidshealth.ca)
Through live cell imaging, the group was able to visualize how fertilized egg cells in plants undergo asymmetric cell division, which is responsible for determining the plant's body axis. (sciencedaily.com)
Both types prevent sperm from fertilizing an egg cell. (livescience.com)