n. (细胞减数分裂前期的)偶线期,合线期
网络 偶线期; 合线期; 偶丝期
Chromosomes interlockings occur during the late zygotene.
晚偶线期出现染色体互锁现象;
Prophase may be divided into successive stages termed leptotene, zygotene, pachytene, diplotene, and diakinesis.
前期可被分为连续的阶段:细线期、偶线期、粗线期、双线期和终变期。
The results showed that the mother pollen cells presented decreased ribosome numbers at leptotene and zygotene stages, and simplified mitochondria structure;
花粉发育过程做了超微结构观察。 结果表明,在花粉母细胞细线和偶线期,核糖体数量减少、线粒体结构简化;