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.
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。
The deficiency of N or P in artificial seawater would lag the time of gametophyte formation and affect the differentiation ratio of female-male gametes.
人工海水中氮、磷营养盐的缺乏会导致海带配子体形成时间的滞后,并对其雌雄分化产生一定影响。
The megasporogenesis, microsporogenesis, female and male gametophyte development, development of embryo and endosperm were observed by using paraffin wax.
利用石蜡切片技术观察了埃及白睡莲的大、小孢子的发生,雌、雄配子体的发育,受精作用以及胚和胚乳的发育。
Angiosperm female and male gametophyte formation is the key to the process of generational one.
被子植物雌、雄配子体的形成是世代交替的关键过程之一。
There is an obvious difference in the developing process of female and male gametophyte.
沙田柚雌雄配子体发育进程有明显差异,小孢子与雄配子体发生较早,持续时间较长;
The formation of male gametes includes germ cell and vegetative cell differentiation and the occurrence of male gametophyte.
雄配子的形成则包括生殖细胞和营养细胞的分化,以及雄配子体的发生。
The megasporogenesis and microsporogenesis and the development of their female and male gametophyte are partially abnormal.
在凹叶厚朴大、小孢子发生和雌、雄配子体发育过程中存在部分败育现象。
The megasporogenesis and microsporogenesis and the development of their female and male gametophyte are partially abnormal.
在凹叶厚朴大、小孢子发生和雌、雄配子体发育过程中存在部分败育现象。
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