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amitosis
the direct method of cell division characterized by simple division of the nucleus without formation of chromosomes
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cleavage, segmentation
(embryology) the repeated division of a fertilised ovum
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meiosis, miosis, reduction division
(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)
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mitosis
cell division in which the nucleus divides into nuclei containing the same number of chromosomes
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nondisjunction
meiosis in which there is a failure of paired homologous chromosomes to separate; results in an abnormal number of chromosomes in the daughter cells
