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Meiosis is a special type of nuclear division which segregates one copy of each homologous chromosome into each new gamete. Mitosis maintains the cell's original ploidy level (for example, one diploid 2n cell producing two diploid 2n cells; one haploid n cell producing two haploid n cells; etc.).
Mitosis is the division of a haploid (n) or diploid (2n) cell into two duplicate daughter cells. In a strict definition, mitosis (karyokinesis) refers to the division of a nucleus into two duplicate nuclei, each with identical sets of chromosomes.his is how the chromosome number in a life cycle changes from haploid (n) to diploid (2n). The biflagellate sperm in the above illustration is characteristic of a moss. Human sperm have a single flagellum.