即使在感染你的时候，感冒病毒也会发生变异，而且新的病毒毒株经常出现，以至于当制药商研制出针对其中一种变异的疫苗时，血清已经过时了。
Colds mutate even while they're infecting you, and new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.
Hap图谱包含了11个种群的样本，并包含了基因组上一些常见变异的特定位点的DNA读取。
The Hap Map contains samples from 11 populations and consists of readings of the DNA at specific sites along the genome where variations are common.
千人基因组计划完成了人类遗传变异的首份图谱。
The 1000 Genomes Project completed its first map of human genetic variation.
每个族群只携带有他们祖先群体中遗传变异的一部分。
Each group carried only a subset of the genetic variation from its ancestral population.
变异的基因是编码一种叫做离子通道的神经细胞蛋白质。
The mutation itself is in a gene for a nerve-cell protein of a type known as an ion channel.
这种交互作用可以出现在发育的不同时期，进一步增加变异的机会。
Thisinteraction can occur at varying points during development, further increasing the opportunities for variation.
拟态是无数代自然选择和遗传变异的进化而获得的有利特征的结果。
Mimicry arises as the result of evolution through natural selection and the occurrence of random genetic mutations that lead over many generations to the appearance of favorable characteristics.
如同诺瓦克所阐述的，生命的出现，只需要分子服从选择和变异的力量。
As Nowak has shown, all that's necessary for life to emerge are molecules subject to forces of selection and mutation.
基因变异的虫子向我们演示，自由基可以帮助触发身体的保护和修复机制。
The genetically modified worms demonstrated that the production of free radicals can help to trigger the body’s general protective and repair mechanisms.
病毒学家已经测定，正在变异的流感病毒是几种通常与猪有关的老流感病毒的结合体。
Virologists have determined that the mutating flu is a combination of several older flu strains, commonly associated with pigs.
结果是，这些基因变异的老鼠不仅经常生病，而且要比正常老鼠吃更多才能长肥。
These mice ended up getting sick a lot, and needed to eat much more than normal mice with intestinal bacteria in order to gain weight.
所以，即使一种药物对有同一变异的肿瘤患者有效，但当应用于更广泛的患者时就可能收效甚微。
So even though a drug might work well for patients whose tumors have a particular mutation, when the drug is used for a broader population, it shows only a small effect.
随着年龄的增长，久而久之，变异的数量逐渐超出了系统修复能力，线粒体开始出现故障进而停止运作。
Over time, as we age,the number of mutations begins to outstrip the system’s ability to makerepairs, and mitochondria start malfunctioning and dying.
遗传算法模仿达尔文的自然选择，其中“适应性”选择进行生存、繁殖以及由此而来的适应性变异的个体。
Genetic algorithms mimic Darwinian natural selection, where "fitness" selects individuals for survival, breeding, and, hence, adaptive mutation.
同时也表明生物2.0时代不仅能找到生命运行机理的答案，而且能解释生命是如何进化、变异的。
It also shows that biology 2.0 can solve the other great question besides how life works: how it has evolved and diversified over the course of time.
大部分百岁老人有着这150个变异的子集，研究者发现他们的基因图谱可归类到19个不同的遗传特征。
Most centenarians possess a subset of the 150 variants, and the researchers found that their genetic profiles cluster into 19 different genetic signatures.
医学专家说，尽管理论上讲人类可以通过食用染病牛肉传染上变异的疯牛病，但实际上这种可能性微乎其微。
Medical experts say it is hypothetically possible, though extremely unlikely, for people to contract a human variant of the disease by consuming tainted meat.
季节性流感的变异较缓和，被称为渐变；当像H1N1这样的新型病毒株发生变异的时候，这就是突变了。
When the mutations are gradual, as with seasonal flu, it is known as drift; when they are abrupt, as with the new strain of H1N1, you have a shift on your hands.
新变异的H1N1病毒是不同种类动物和人类流感病毒的混合体，而人类对病毒混合变异出的种类几乎毫无免疫力。
The new version of the H1N1 virus is a mix of different animal and human versions of the disease. Mixing can lead to the development of changed viruses to which humans have little immunity.
在这个系列中的作品要求观众把怀疑搁置起来，接受一切生物都是从同样的细胞进化而来，因此能够发生遗传变异的观念。
The works in this series ask viewers to suspend disbelief and to accept the idea that all creatures evolved from the same cell and can therefore genetically mutate.
《科学》杂志在发表这个序列的同时还发表了三篇论文，其中一篇比较了27个全球代表性玉米品种基因组的特定区域，从而展示遗传变异的共同模式。
Science published three papers alongside the sequence, one of which compares specific sections of the genome of 27 globally representative maize varieties to show common patterns of genetic variation.
因为布林先生最近发现，他从母亲那里遗传了一个变异的基因LRRK2。 研究显示，变异的LRRK2可能使得有家族患病史的携带者患帕金森氏症的几率增加。
The reason was that Mr Brin had recently discovered that he has inherited from his mother a mutation of a gene called LRRK2 that appears to predispose carriers to familial Parkinson’s.
Scitable—免费的自然科学图书馆和个人学习工具，目前专注于遗传学、进化论、变异学以及生物复杂性等领域。
A free science library and personal learning tool that currently concentrates on genetics, the study of evolution, variation, and the rich complexity of living organisms.
Scitable—免费的自然科学图书馆和个人学习工具，目前专注于遗传学、进化论、变异学以及生物复杂性等领域。
A free science library and personal learning tool that currently concentrates on genetics, the study of evolution, variation, and the rich complexity of living organisms.
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