Heterospory The production of two different sizes of spore: microspores and megaspores.

孢子异型:指植物产生两种大小不同的孢子: 小孢子和大孢子.

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Effects of pollen mother cells and meiosis of microspores in Impations balsamina were investigated.

研究了卫星搭载对凤仙花小孢子母细胞的减数分裂和小孢子的影响.

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Cytokinesis was simultaneous and the arrangement of microspores in the tetrad was tetrahedral.

胞质分裂为同时型,四分体中小孢子排列呈正四面体形.

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