tetrad

['tetræd]
  • 释义

  • 四元组;四分染色体;<化>四价元素;（数目）4;

  • 双语例句
  • 1、

    At this point each chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.

    此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.

    ——《简明英汉词典》
  • 2、

    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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  • 3、

    The chalazal megaspore of a linear tetrad develops into a polygonum type sac.

    四分体线行排列,合点端的大孢子发育为蓼型胚囊.

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  • 4、

    Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.

    大孢子四分体为线形, 合点端功能大孢子发育成为蓼型胚囊.

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  • 5、

    The characteristics of tetrad was that the nucleus and Golgi bodies being in the active state.

    四分孢子的显著特征是细胞核和高尔基体呈活跃状态.

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  • 6、

    The tapetum begins to vary at the stage of tetrad with the cytoplasm anther cell.

    小孢子孢原为多细胞,小孢子母细胞减数分裂产生四面体型的小孢子四分体.

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  • 7、

    Microspore abortion occurred after the tetrad formation.

    小孢子败育发生在四分体形成以后.

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