In sexual reproduction, fertilization results in a zygote (cell) containing material from the two gametes. The zygote will divide to form new cells that establish the blastocyst stage, and in some organisms will form an embryo.
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After fertilization, the sperm and egg fuse to form a zygote, which begins to undergo cell division. The zygote develops into an embryo, which implants in the uterine lining. The embryo then continues to grow and develop into a fetus over the course of pregnancy.
Fertilization that happens outside the female body is called in-vitro fertilization. In this procedure, the ova is fertilized with the sperm in a laboratory.
Fertilization typically occurs in the fallopian tube after ovulation, when a sperm cell successfully penetrates and fertilizes an egg. This usually happens within 24 hours after the egg is released from the ovary.
After fertilization, the zygote is formed, which then undergoes cell division and development to form an embryo. The embryo will continue to grow and eventually mature into a new individual.
Fertilization inside the female body is called conception. This is when a sperm cell fertilizes an egg cell, resulting in the formation of a zygote.
Fertilization