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Oogenesis

The production of egg in the female reproduction organ, the ovary, is called oogenesis. The production of reproductive cells in females occurs during certain periods. Every month, one egg cell matures and is released into the fallopian tube to allow fertilization to occur. Every month, one egg cell matures and is released into the fallopian ...

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Biology lesson: When a human sperm cell fertilizes a human egg cell, a substantial change occurs and a new human being is created. This human will continue to grow through different stages of development, but he or she will always be the exact same person as at the moment of fertilization. | Live Action

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Biology lesson: When a human sperm cell fertilizes a human egg cell, a

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