tetrad造句

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.

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.

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

At this point esch 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.

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.

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