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meiosis
A two-stage type of cell division in sexually reproducing organisms that results in the development of sperm and egg cells . In meiosis, a diploid cell divides to produce four haploid cells, each with half the original chromosome content. In organisms with a diploid life cycle, the products of meiosis are called gametes. In organisms with an alternation of generations, the products of meiosis are called spores.
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