有性生殖

C. albicans bar1 a cells were shown to secrete both a and mating pheromones;-pheromone activated self-mating in these cells in a process dependent on Ste2, the receptor for -pheromone.

现在，另外一种新颖的有性生殖模式已在"白念珠菌"中被发现：在特定情况下，即在没有为一种分泌出的蛋白酶编码的BAR1基因存在的情况下，高效同性交配可在a-型细胞之间进行。

A third theory is that sex evolved as a form of cannibalism.

第三个理论是，有性生殖是作为嗜食同类的一种形式演化的。

In this thesis, the breeding system and reproductive strategies of the three species were observed and analysed. The adaptation and evolution of the genus Ligularia under the condition of psychro-environment were discussed.The result showed that the flowering and fruiting periods of the three species were from mid-June to the beginning of October, and their inflorescences were racemose arrangement with capitulum.

本研究全面观察分析青藏高原东缘分布的箭叶橐吾、黄帚橐吾和掌叶橐吾的繁育系统；研究箭叶橐吾和黄帚橐吾各自居群中有性生殖和克隆繁殖的权衡关系，分析克隆繁殖与生态适应，探讨橐吾属植物对高寒环境胁迫条件下的适应与进化。

It is showed that sexual reproduction in triploids is not very capable and to plant more triploids of Populus tomentosa will be profitable for the environment because of less catkin and pollen.

结果表明三倍体毛白杨的有性生殖能力较低，因此，种植三倍体毛白杨将会减少毛白杨早春散粉和飞絮对环境的污染。

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。

Moutan has two different reproduction ways:obligate seed reproduction and amphitrophic reproduction;the dormitory of its embryo has two stages of epicotyl and hypocotyl;the dormitory could be end if it is treated with two temperature conditions.

Moutan生殖特性，具有根状茎、块根、根出条多种形式的以营养繁殖为主、种子繁殖为辅和专性种子有性生殖的两种类型；胚具有上胚轴、下胚轴两段休眠特性，打破休眠需按一定的程序和两种不同的温度条件；……。

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。

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。

Isogamy The sexual fusion of gametes of similar size and form. It occurs in fungi and some protoctists.

同配生殖：是形态大小相同的配子间进行的有性生殖，发生在真菌和原生生物中。

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。