- 更多网络例句与远交相关的网络例句 [注:此内容来源于网络,仅供参考]
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But outbreed too far and other difficulties arise as genetic incompatibilities between the parents make reproduction harder.
但是远交的亲缘关系过远以及父母基因不兼容性所导致的问题会使得繁衍更困难。
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However, the level of outbreeding in Iceland has also increased markedly over that period, and Dr Helgason's findings suggest that this, too, drives down average family size measured over the whole population by reducing the number of third and fourth cousin marriages.
但是,与此同时冰岛的远交程度也在显著的增长,Helgason博士的发现指出这种增长就整体人口而言,通过降低第三代和第四代表兄妹婚姻的数量,也降低了家庭的规模。
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Probably, the reason is that marriages between close relatives risk inbreeding depression (caused by individuals receiving two copies of broken genes from the same ancestor, but by different paths—one maternal and the other paternal). Outbreeding means this is unlikely to happen, and at least one functional copy of each gene will be received.
原因很可能在于近亲结婚存在近交劣势的风险(由于个人从同一祖先但是不同途径接受到了2份不完整的基因,父亲一份,母亲一份),远交意味着这种情况不太可能发生,子女至少能得到一份有功能的基因拷贝。
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The optimal degree of outbreeding remained the same in every 25-year generation since 1800, although the overall number of children from marriages of every degree of relatedness did drop gradually over time—an observation that accounts for part of Iceland's demographic transition, and which probably has a social explanation.
从19世纪开始,每25年一代的远交的最优化程度一直没变,尽管每一种亲缘程度的婚姻的子女总数量在随时间逐步下降――冰岛人口结构转化显而易见的一部分原因,另一部分解释来自社会学角度。
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Yet the cats should be somewhat related, as the more you outcross, the lesser the type will be.
然而猫咪之间也需要有一定的关系,因为远交的程度越高,就越难保持血统特征。
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Since Croomia can spread vegetatively via rhizomes in suitable habitats, a strategy seems feasible involving propagation via rhizome segments and tissue culture techniques, followed by cultivating in garden plots, and subsequent reintroduction into their original wild habitat.
对于个体极少的居群,应采用人工分株和组织培养等措施来促进繁殖,将人工培养的植株再回归到其野生地;同时迁地保护时避免居群间的远交衰退。
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Maximum Likelihood Analysis for Mapping Dynamic Trait QTL in Outbred Population I.
远交群体动态性状基因定位的似然分析Ⅰ。
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Inbred strains of mice and outbred rats received an intraplantar injection of honeybee venom and the between-group and within-group correlations were calculated for spontaneous nociceptive measures, thermal and mechanical hypersensitivity, and edema and temperature.
将一个剂量的蜜蜂毒(0.05mg/0.025ml)注入12个近交系(129P3/J、A/J、AKR/J、BALB/cJ、C3H/HeJ、C57BL/6J、C57BL/l0J、C58/J、CBA/J、DBA/2J、RⅢs/J和SM/J)小鼠或6个剂量的蜜蜂毒(0.001、0.005、0.01、0.05、0.1、0.2mg/0.05ml)注入远交系(Sprague-Dawley)大鼠的一侧足底皮下,分别检测自发伤害性反应、热和机械性痛敏,以及炎症的水肿和局部皮温,然后对组间和组内数据进行相关性分析。
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The more unrelated cats you combine, the more outcrossed your offspring will be.
你结合的无亲缘关系的猫越多,那么繁育出来的猫咪远交的程度就越高。
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However, the value of KM mice to the research community has been severely limited, partially due to the fact that well-characterized inbred strain of KM mice is not available.
但由于昆明小鼠属于远交群,而且不同地区的种群间已经出现了严重分化,缺乏具有显著特征的近交系,这使得它在生物学上的应用受到了很大的限制。
- 更多网络解释与远交相关的网络解释 [注:此内容来源于网络,仅供参考]
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far-end crosstalk:远端交越干扰
far field 远地 | far-end crosstalk 远端交越干扰 | fast packet switching 快速分组交换,快速包交换
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communicating hydrocephalus:交通性脑积水
2.交通性脑积水(communicating hydrocephalus)脑室和蛛网膜下腔之间并无梗阻,梗阻部位是在脑脊液流出脑室后的更远端,大多在基底池的部位;脑脊液可以流到枕大池和脊髓蛛网膜下腔,但不能到达幕上的蛛网膜下腔,即大脑半球表面,这样,脑脊液不能被蛛网膜颗粒吸收.
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inbreeding:近交
另外两种非随机交配的类型是近交(inbreeding)和远交(outbreeding). 在我们学习数量遗传时近交会涉及到亲属间优先交配,近交实质是对亲属关系的正选交配. 远交是非亲缘关系优先交配,突质上是负选交配. 近交大部分是属于自交,
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hypermetropia;long sight:远视
远曲小管 distal convoluted tubule | 远视 hypermetropia;long sight | 远系繁殖;远交 outbreeding
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outbreeding:远交
另外两种非随机交配的类型是近交(inbreeding)和远交(outbreeding). 在我们学习数量遗传时近交会涉及到亲属间优先交配,近交实质是对亲属关系的正选交配. 远交是非亲缘关系优先交配,突质上是负选交配. 近交大部分是属于自交,
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outbreeding:异交
152、异交(outbreeding):亲缘关系较远的个体间随机相互交配. 153、自体受精:同一个体产生的雌雄配子受精结合. 如:蚯蚓、草履虫等低等动物. 154、自花授粉植物(self-pollinated plant):其雌雄配子来源于同一植株或同一花朵. 如水稻、小麦等.
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outcrossing:远交
outbreeding 远交 | outcrossing 远交 | outer ear 外耳
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outbred population:远交群
温度:the experimental population | 远交群:outbred population | 遗传力:Population size
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Outbred stock:远交种
Nutriology 营养学 | Outbred stock 远交种 | Parasitology 寄生虫学
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Outcrossed:专性异交
Outbreeding 远交 | Outcrossed 专性异交 | Overlapping niche model 重叠生态位模型