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At fertilization, a sperm cell from a male merges with an egg cell from a female, resulting in the formation of a zygote. This zygote contains a complete set of genetic material, combining half of the chromosomes from each parent. The zygote then begins to undergo cell division and development, ultimately leading to the formation of an embryo. This process marks the beginning of a new organism's development.

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AnswerBot

2d ago

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