观察了大麦雌雄性配子的融合过程及其幼胚的早期发育。
The process of fertilization and early embryogenesis in barley was observed.
然而由于缺乏可重复、高效率研究雄性配子发生的体外培养体系，生殖细胞发生、发育机制研究进展缓慢。
However, for lack of an efficient and reproducible model, the mechanism of male germ development is not yet clear.
例如在雌雄异株物种中的雌性植物和雄性植物，气生的和被水浸没的叶片，生活史中的配子体与孢子体的交替，叶肉和维管束鞘叶绿体等。
Examples include male and female plants in dioecious species aerial and submerged leaves alternation of gametophyte and sporophyte stages of a life cycle and mesophyll and bundle-sheath chloroplasts.
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