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;
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;
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