how is the process of reproduction and fertilisation
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Fertilization: A Sperm and an Egg Form a Zygote
When a sperm cell penetrates and fertilizes an egg, that genetic information combines. The 23 chromosomes from the sperm pair with 23 chromosomes in the egg, forming a 46-chromosome cell called a zygote. The zygote starts to divide and multiply.
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Fertilization : A sperm and an Egg form a zygote
The sperm and the egg are gametes . They each contain half the genetic information necessary for reproduction
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