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The first meiotic division in which the chromosome number is reduced by half.
(see meiosis)
(genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)
Meiosis I, when the diploid chromosome number is halved. 198
The reduction of chromosomes during meiosis from the diploid number to the haploid number.
Phase of meiosis in which the maternal and paternal chromosomes of the bivalent separate. See equational division.
A nuclear division that produces daughter nuclei each having one-half as many centromeres as the parental nucleus.
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