查询词典 sexual reproduction

Heterothallism A condition found in algae and fungi in which sexual reproduction occurs only between genetically different self-incompatible mating types of the same species.

异宗配合：指在某些藻类和真菌中，进行有性生殖时，同一个种的个体是自交不亲和的，只能在异宗的个体之间才能完成交配。

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。

Like all higher forms of life, the human species relies on sexual reproduction to avoid extinction.

象所有更高形式的生命，人类物种的依赖于有性繁殖，以避免灭绝的危险。

In addition, long-term inundation was harm-fur to experimental populations, and deep water also inhibited sexual reproduction of the wild rice.

3长期生长於过高的水深对北缘普通野生稻的有性繁殖也具有抑制作用。

The spores of Neocheiropteris palmatopedate were cultured in improved Knop's medium, in-situ humus soil and red soil respectively. Spore germination and gametophyte development were observed under optical microscope and dissecting microscope, and the impact of four culture methods on the gametophyte development and sexual reproduction was compared. On these experiments, its cause of endangerment was analyzed.

采用改良Knop's固体培养基、原生境腐殖质土和红壤分别培养扇蕨孢子，光学显微镜及解剖镜下观察记录其于包子萌发及配子体发育过程，比较了3种培养方法对其配子体发育和有性繁殖的影响，并在此基础上探讨了扇蕨的濒危原因。

Monogony is a special kind of sexual reproduction.

紫菜的生殖主要有无性生殖和有性生殖，单性生殖是一种特殊的有性生殖。

Processes originated One-celled life reproduces by splitting, but sexual reproduction is much

一个单细胞的生命藉分裂而产生新细胞，那么有性生殖会是更复杂的问题了。

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。

Although the cloned child will carry the same problem genes as the parent who donates the nucleus, he or she will in all likelihood enjoy the parent's state of health and will be free of the additional risks caused by mixing both parents?genes during sexual reproduction.

尽管被克隆的孩子也会携带捐赠细胞核的父亲的问题基因，但是他们十有八九会享有和父亲一样的健康，并且在有性生殖的时候也会避免因为混合了父母的基因而造成的另外的危险。

Gamophyta A phylum of green algae in which sexual reproduction is by conjugation, e.g.

Gamophyta：是通过接合作用进行有性繁殖的绿藻门植物，例如水绵和鼓藻。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。