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•Meaning of zygote•
•fertilized egg cell
zygote,fertilized egg cell that results from the union of a female gamete(egg, or ovum) with a male gamete (sperm). In the embryonic development of humans and other animals, the zygote stage is brief and is followed by cleavage, when the single cell becomes subdivided into smaller cells.
•An embryo•
• an unborn human or animal in the earliest stages of growth when its basic structures are being formed.2 : a tiny young plant inside a seed. embryo.
•Meaning of fetus•
• unborn baby
Listen to pronunciation. (FEE-tus) In humans, an unborn baby that develops and grows inside the (womb). The fetal period begins 8 weeks after fertilization of an egg by a sperm and ends at the time of birth.
