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. 2020 Jun 10;125(4):212–226. doi: 10.1038/s41437-020-0328-6

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© The Author(s) 2020

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Fig. 4 — I, II, III and IV indicate univalent, bivalent, trivalent and quadrivalent, respectively. The number of pollen mother cells analysed is given by n. The percentage of cells showing each configuration is indicated on the x axis.