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But in some pollen mother cells, the parallel spindles leading to the gathering of one or two non-sister groups of chromosomes, causing to an incorporation of radial microtubule systems from two daughter nucleus.

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In some pollen mother cells, the parallel spindles induced the combination of one or two non-sister groups of chromosomes, leading to an incorporation of the radial microtubule systems from two daughter nucleus.

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In some pollen mother cells, the parallel spindles induce the aggregation of one or two non-sister groups of chromosomes, resulting in an integration of the radial microtubule systems from two daughter nucleus. \
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