Reproductive cells are also known as gametes. Unlike the non-reproductive cells that undergo mitosis, reproductive cells undergo the process of meiosis. Mitosis is asexual reproduction, whereas meiosis is a form of sexual reproduction. There are two different types of gametes or reproduction cells (in case of heterogamy). These are called sperm cells and egg cells. The gametes are haploids and contain only half the chromosomes as compared to the parent cell (which are diploid), and thus have only half the genetic information as compared to the parent cell. Two haploids interact with each other and fertilizes the egg cell. This interaction results in fusing of haploid cells and sharing of chromosomes, which results in a complete set of chromosomes (same in number as the parent cell).
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