tetrad
英['tetræd]
美['tetræd]
IELTS
Noun:
-
the cardinal number that is the sum of three and one
- 1. At this point esch 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.
来自《简明英汉词典》
- 2. Microspore abortion occurred after the tetrad formation.
- 小孢子败育发生在四分体形成以后.
来自互联网
- 3. 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.
来自互联网
- 4. 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.
来自互联网
- 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.
来自互联网
用作名词 (n.)
- Abnormal development was observed at tetrad and mature embryo sac.
在四分体和成熟胚囊时期观察到了异常发育现象。
- The megaspore mother cell meiosis to form a linear megaspore tetrad.
大孢子母细胞减数分裂产生直线形大孢子四分体。
