what comes after zygote ?? there are 2 cloumns after zygote what are the answers
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In order for reproduction to take place, a single sperm cell must penetrate the outer surface of an egg in a process known as fertilization. During a healthy reproductive cycle, a single egg cell is released from the follicle into the fallopian tube at ovulation.
If sperm are present, thousands will attempt to penetrate this single egg cell. Once a single sperm has broken through the outer surface, chemical changes in the surface of the egg prevent other sperm from entering and form a zygote
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