Males and females only commingle during mating season, otherwise they live solitary existences.
公兽和母兽只有在交
节才混到一起,否则他们分开独自居住。
)交
,交尾,(植物等
)杂交
系统,交
方案


型,交
型
面,啮
面Males and females only commingle during mating season, otherwise they live solitary existences.
公兽和母兽只有在交
节才混到一起,否则他们分开独自居住。
The mating rituals of the cubera snappers have nothing, though, on squid.
古布拉金线鱼
交
仪式没有什么看头,但鱿鱼就不
。
Polyandrous - A mating system in which females mate multiple males.
Polyandrous -一种交
系统,其中女性队友多男性。
In postzygotic isolating mechanisms mating occur, but the resulting hybrid organism is inviable or sterile.
在
子后隔离机制中,匹
可以进行,但或不产生杂种或杂种不育。
He had, from his second mating, a baby girl.
他第二次结婚后得一女孩。
The kind of mating, using as one parent a known homozygous recessive, is called a testcross.
这种杂交即利用一个已知


隐性作为一个亲本
杂交,称为测交。
90. The mating system can be changed in a quick and simple manner, from monoecy to dioecy.
用较快而简洁
方法使交
系统从雌雄
株变成雌雄异株。
Most of the wild and cultivated strains are secondarily homothallic mating type in life-cycle, but some wild strains are heterothallic.
大部分野生和栽培
双孢蘑菇菌株和品种具有次级
宗

性特征,也有少数野生菌株属于异宗

类型。
After mating and oviposition, statistics showed that the higher of the percentage of small eggs is, the more of the unlaid eggs is.
交
产卵后,初步统计发现小卵百分率越大,则遗腹卵有越多
倾向。
Trochus pyramis Born is of gonophores.The male reproductive system is mainly composed of the spermaries and spermaductus, instead of mating and others glands.
摘要塔形马蹄螺为雌雄异体,其雄性生殖系统主要由精巢和输精管组成,没有交
器,也没有其他
附属腺体。
Moreover: we also have the necessary explosion-proof electrically operated rapes, decoders, flexure nemas, connecting boxes and so on mating with the black-light night-vision camera.
还有与黑光夜视摄像仪
套
防爆电动云台,防爆解码器,防爆挠线管,防爆
线盒等。
Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.
摘要
型孢子蕨类
孢子体可经由
子体自交、异
子体交
两类
育系统或以无
生殖
方式产生,异
子体交
又可分为异
子体自交和异
子体异交两种方式。
The results showed that a mixed mating system was possibly the main heterogamy of this species, and its endangerment was caused by over-exploitation and habitat loss.
导致荷叶铁线蕨濒危
主要原因是生境
破坏以及过度开采所导致
生境片断化使其居群变小、近交率加大、遗传变异趋低,降低了其生存以及进化
潜力。
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