有性生殖的

1Both sexual and apomictic embryo sacs were co-existed which belonged to facultative apomixis.

2在有性生殖胚囊中，可观察到完整的八核胚囊。

One of their concerns is that the marbled crayfish's sexual cousins have caused havoc elsewhere.

他们所关心的其中一个问题是大理石龙虾有性生殖近亲已在其他地方引起了破坏。

Pollen is a highly reduced organism that plays a great role in plant sexual reproduction as the male gametophyte.

花粉是高度退化的生物体，在植物有性生殖过程中具有重要作用。

The mating type gene is inherit decision factor of compatibility with the performance type,P.ostreatus belongs to sexual reproduction heterothallism,tetrapolarity,Namely the colony which is consist of single spore mycelium will self-sterility,If conjugate sex gene with all for incompatibility,then crossing can dicaryotization and form sporophore.

交配型基因是性亲和表现型遗传决定因子，平菇为有性生殖异宗配合四极性类型，即单孢形成的菌落自体不育，不同单核菌丝在配对基因皆为杂交结合时才能双核化，形成子实体。

The highest oocysts producing period occurred in April, and the highest oocyst hatching and density of population was in May. And the sexual reproduction process had relation to temperature, food and size of planarians.

卵囊产出的高峰在4月，卵囊孵化与种群密度最高峰在5月，其有性生殖过程与温度、食物、虫体大小密切相关。

There are two main hypotheses which explain how sex may act to remove deleterious genes from the genome.

解释有性生殖如何起到从基因组中消除有害基因的作用，主要有两种假设。

Union of sperm and egg in sexual reproduction.

有性生殖中精子和卵子的结合。

The union of the sperm and egg in sexual reproduction .

有性生殖中精子和卵子的结合。

Peronosporales An order of the OOMYCOTA characterized by sexual reproductionby zoospores and sexual reproduction by zoospores produced from oospores.

霜霉目：以游动孢子的有性生殖和由卵孢子产生的游动孢子的有性生殖为特征的卵菌门的一个目。

And its types of reproduction includes asexual and sexual reproductions.

植物的有性生殖。5。而无需有性生殖中的基因混合。

This paper demonstrated the impact on the environment today, an important factor is Education.

本文主要展示了当今影响环境的一个重要因素——教育。

Article 16 The power to interpret these Procedures shall remain with the Ministry of Agriculture and CAA.

第十六条本程序由农业部、国家认证认可监督管理委员会负责解释。