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New genes emerge as dominant, no longer recessive or latent, and organisms change.
新的基因出现并支配，不在隐性潜伏，然后生物就突变了。
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Who were the organisms that would survive those conditions and then contribute to the gene pool?
什么生物体可以在那样的条件下存活,这又会导致基因库怎样的改变
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This concept of introducing foreign genes, genes that are made of recombinant DNA into animals using this kind of technique is widely used in biomedical research.
这种通过基因重组,来向动物体内导入外源基因的方法,广泛应用于,各种生物医药的研究中
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The animal that eats its offspring, those genes are a biological dead end.
吃掉自己后代的动物，他们的基因走进了生物学的死胡同。
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It's a gene that's on the plasmid, and this particular gene confers a specific biological property to cells that have the plasmid and can use it properly.
它是质粒自带的基因,如果细胞能够获得这种质粒,并正确的利用它的话,这段基因就能赋予该细胞某种生物学特性
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Those people would bank their calories, survive the next famine, contribute to the gene pool, and thereby create what we have today which are organisms, humans, who very much like the kind of diets that are creating problems.
这些人储存能量以保证,在下一次饥荒时得以幸存,使他们的基因保留在了基因库中,从而造就今天的生物体,即人类,人类非常喜欢这类饮食,从而引发了很多问题
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We'll talk about artificial organs and we'll talk about systems biology or thinking about how to acquire information for things like gene chips and use that information to understand what's happening in a complex organism like you.
我们会讨论到人造器官和系统生物学,并探讨如何从基因芯片中得到信息,并利用这些信息了解,人体作为一种复杂有机体的内在变化
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We're cloning a gene of interest to us by sort of hijacking that biological mechanism by putting our gene on this plasmid and so our gene gets copied many times, as the plasmid gets copied many times.
我们克隆感兴趣的基因的做法,这个生物机制有点像是绑架,我们把基因绑在质粒身上,随着质粒被多次地复制,我们的基因也一起被多次复制
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You can also use PCR to identify specific genes that are present in a biological sample.
你也可以利用PCR技术去识别,一个生物样本中的某段特定基因
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If you can interfere with any stage in RNA processing you can stop a gene from being expressed and this is a very hot topic in molecular biology now and human therapeutics.
如果你能干扰RNA加工的任何一个阶段,你就能阻止一段基因的表达,这也是当今分子生物学,和新型疗法中非常热门的话题
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