* Sperm are only required to [[Fertilisation%2C_Implantation_and_Early_Embryonic_Development_-Fertilisation-_Anatomy_%26_Physiology#Syngamy|activate]] the embryo. | * Sperm are only required to [[Fertilisation%2C_Implantation_and_Early_Embryonic_Development_-Fertilisation-_Anatomy_%26_Physiology#Syngamy|activate]] the embryo. |