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14 years ago
Why is Meiosis Necessary?

In order to produce haploid gametes, individuals must have cells that undergo cell division that does not produce daughter cells that are genetically identical to the parent. Otherwise the gametes would be diploid and a zygote formed from diploid sperm and egg would be tetraploid. The two stage process of meiosis reduces the number of chromosomes in the cell by half. One chromosome from each homologous pair is present in each gamete.

View the animation below, then complete the quiz to test your knowledge of the concept.

<a rel="nofollow" href="https://http://glencoe.mcgraw-hill.com/sites/dl/free/9834092339/291136/meiosis.swf" target="_blank">https://http://glencoe.mcgraw-hill.com/sites/dl/free/9834092339/291136/meiosis.swf</a>
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