以下为句子列表：
英文: In dandelion (Taraxacum), for example, the chromosomes of the megaspore mother cell remain in one cell after the first meiotic division, forming a restitution nucleus.
中文: 例如在蒲公英中，在第一次减数分裂后，大孢子母细胞的染色体仍在一个细胞中，形成一个再组核。
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英文: Pollen mother cell (PMC) In angiosperms and gymnosperms, a somatic cell that gives rise to four haploid pollen grains by meiosis.
中文: 花粉母细胞（PMC）：指在被子植物和裸子植物中，能通过减数分裂产生4个单倍体花粉粒的体细胞。
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英文: Spore mother cell A cell that gives rise to four haploid spores by meiosis.
中文: 孢子母细胞：可以发生减数分裂产生四个单倍体孢子的细胞。
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英文: The vegetative shoot apex is thin and flat morphologically, and its cytohistological zonation pattern is an apical initial zone, a central mother cell zone, a cambium-like transitional zone, a peripheral zone, and a rib meristem, while cone apex is conifo
中文: 营养茎端外形扁平，内部顶端分生组织结构有顶端原始细胞区、中央母细胞区、形成层状过渡区、周围分生组织区及肋状分生组织区5个明显的分区；而雌球果原基外形呈圆锥状，内部结构只有套层和髓区。
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英文: These abnormal mitochondria and vacuoles may be associated with the death of microspore mother cell which leads to the male sterility in cotton.
中文: 线粒体和液泡结构异常可能是小孢子母细胞死亡造成雄性不育的细胞形态学特征。
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