Summary
Chromosome movements during meiosis in three plant species are described. Mean prometaphase and anaphase chromosome velocities were approximately O.5 μm · min−1. Culture conditions had little effect on these velocities, but they may have delayed the onset of prometaphase or anaphase. Spindle elongation was zero during anaphase I inAllium triquetrum and in anaphase II inIris spuria, but in both species elongation occurred during the other division of meiosis. Variations in anaphase I chromosome velocity at different positions across theAllium half-spindle were also observed.
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Ryan, K.G. Prometaphase and anaphase chromosome movements in living pollen mother cells. Protoplasma 116, 24–33 (1983). https://doi.org/10.1007/BF01294227
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DOI: https://doi.org/10.1007/BF01294227