what process occurs as a zygote becomes a blastocyst?\nmeiosis\ncleavage division\nfertilization\novulation

what process occurs as a zygote becomes a blastocyst?\nmeiosis\ncleavage division\nfertilization\novulation
Answer
Brief Explanations:
Meiosis is the formation of gametes. Fertilization is the union of egg and sperm to form a zygote. Ovulation is the release of an egg from the ovary. Cleavage division is the rapid cell - division process by which a zygote becomes a blastocyst.
Answer:
B. cleavage division