Fertilization: Meaning, Process, Timing, and Pregnancy
Fertilization is the joining of a sperm and egg to form a zygote. It usually occurs in a fallopian tube and is followed by cell division and possible implantation.
Zygote: Meaning, Fertilization, Cell Division, and Early Development
A zygote is the single cell formed when a sperm fertilizes an egg and is the earliest stage of development before repeated cell division and implantation.