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首頁英語詞典tetradtetrad實用場景例句

tetrad

英 ['tetr?d]
  • n. 四個；四個一組；[生物] 四分染色體；四價元素

實用場景例句

At this point each chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.
此時每條染色體由一對染色單體構(gòu)成,這兩條聯(lián)合的染色體稱為四分體.

《簡明英漢詞典》

Microspore abortion occurred after the tetrad formation.
小孢子敗育發(fā)生在四分體形成以后.

互聯(lián)網(wǎng)

Megaspore tetrad is linear. The chalazal megaspore develops into an embryo sac of Polygonum type.
大孢子四分體為線形, 合點端功能大孢子發(fā)育成為蓼型胚囊.

互聯(lián)網(wǎng)

Cytokinesis was simultaneous and the arrangement of microspores in the tetrad was tetrahedral.
胞質(zhì)分裂為同時型,四分體中小孢子排列呈正四面體形.

互聯(lián)網(wǎng)

The characteristics of tetrad was that the nucleus and Golgi bodies being in the active state.
四分孢子的顯著特征是細胞核和高爾基體呈活躍狀態(tài).

互聯(lián)網(wǎng)

The tapetum begins to vary at the stage of tetrad with the cytoplasm anther cell.
小孢子孢原為多細胞,小孢子母細胞減數(shù)分裂產(chǎn)生四面體型的小孢子四分體.

互聯(lián)網(wǎng)

The chalazal megaspore of a linear tetrad develops into a polygonum type sac.
四分體線行排列,合點端的大孢子發(fā)育為蓼型胚囊.

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