事实证明，沃森和文特尔在基因序列上变异的相同处比他们各自与金姆的要少。
It turned out that Watson and Venter shared fewer variations in their genetic sequences than they each shared with Kim.
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new strains pop up so often that by the time drug-makers create a vaccine against one variation, the serum is already out of date.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.
调查还分析了病毒是如何进行变异的。
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.
科学家们发现，每个人体当中大概存在着有60组变异的基因。
Scientists have found that each human being has around 60 different mutations in their genes.
但是，这并不意味着，朝那个方向变异的次数就更多。
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.
他们在这两种肿瘤的11不同个体样本中寻找变异的基因。
They took 11 different samples of each of the two sorts of cancer and searched for mutated genes in them.
当那个变异的基因复制到白鼠身上时，白鼠们也睡眠时间很短。
When that genetic tweak was replicated in mice, they slept less too.
这些病毒在变异的每个阶段都会遇到猪自身免疫系统的顽强抵抗。
At every stage, the virus would meet stiff resistance from the pigs' immune systems.
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.
貂，鲶鱼，蟾蜍，变异的家鼠，都是人类奇怪畸形力量的有力证明。
The mink, the walking catfish, the cane toad, the mutant house mouse, these are potent symbols of humanity's strangely lopsided power.
尽管如此，目前互联网上已经在向那些有钱人推销检测基因变异的基因测试法。
Despite this, genetic tests for this gene variant are currently being marketed on the Internet for those who can afford them.
流感的大流行30-70年爆发一次，新变异的病毒将会席卷全世界。
Flu pandemics occur every 30–70 years, as newly evolved flu viruses sweep across entire world regions infecting enormous numbers of people.
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.
身高被认为受到大量基因变异的影响，而且每个变异只有部分的影响作用。
Height is thought to be influenced by variants in a large number of genes, and each variant is thought to have only a small impact on height.
第一，细菌过度感观抗生素时，你使得细菌有变异的可能性，并产生抗药性。
One, by overexposing bacteria to antibiotics, you give bacteria a chance to mutate and become resistant.
如生活方式、自然力量、减少基因变异的行为；还有一些促进这个进程的行为。
Some lifestyles, and some forces of nature, act to reduce genetic variation; others act to promote it.
但当向神经末梢周围的雪旺细胞注入这种蛋白时，没有变异的蛋白能阻止退化。
But no variant of prion protein was able to prevent demyelination when introduced specifically into the Schwann cells that surround and support peripheral nerve cells.
当苏炳教授和他的同事计算变异的年龄，它大概在7000到10000年前。
When Su and his colleagues calculated the age of the mutation, it came out at between 7000 and 10, 000 years ago.
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.
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.
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.
外部专家告诉BBC，以前从来没有研究能将基因变异和它们如何变异的过程联系起来。
Outside experts told the BBC that no previous study has managed to link specific mutations to their causes.
外部专家告诉BBC，以前从来没有研究能将基因变异和它们如何变异的过程联系起来。
Outside experts told the BBC that no previous study has managed to link specific mutations to their causes.
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