辐射直接使DNA变异，但是我们看到的辐射光大部分是可逆的。
It mutates the DNA directly. But most of what we see seems to be reversible.
这是第一次发现基因变异使人们在受到压力时对待刺激有不同的反应。
This is the first time a genetic variation has been found that shows a different response to emotional stimuli only when individuals are stressed.
l在过程和步骤已经确定的给定系统中，一阶变化是个变异，它使系统本身相对的不变。
First-order change is a variation in the way processes and procedures have been done in a given system, leaving the system itself relatively unchanged.
为了使自然选择得以进行，不同的变异对于各类人种大概都是适用的。
Presumably, different mutations were available in each population for natural selection to work on.
这些电流促使思维区域分泌使大脑细胞生长或变异的化学物质。
The electric current triggers the area to produce chemicals that cause brain cells to develop or change.
体细胞无性系变异发生在组织和胚胎的培养，即使没有基因改造，但基因改造往往使情况变得更糟。
Somaclonal variation occurs in tissue and embryo culture even without genetic modification, but genetic modification often makes it worse.
变异果蝇无法闻到二氧化碳，这不仅使它们活得更久，同时还使它们在多项测量上保持强壮与很强的复原能力。
The mutant flies that couldn’t smell carbon dioxide not only lived long lives but also remained strong and resilient by several measures.
变异果蝇无法闻到二氧化碳，这不仅使它们活得更久，同时还使它们在多项测量上保持强壮与很强的复原能力。
The mutant flies that couldn’t smell carbondioxide not only lived long lives but also remained strong and resilient byseveral measures.
宾夕法尼亚大学的研究人员发现，有一些基因变异出现在与细胞排废系统有关的基因中。排废系统的作用可能是使‘粘附’蛋白质能够正常工作。
Other genetic changes pinpointed by the Pennsylvania team occurred in genes involved in a cellular waste system which probably ensures these "adhesion" proteins are kept in working order.
而有的dna单链发生了变异，遏制了该基因，使之无法发挥作用，因此一些人的耳垢是湿态的。
The single DNA change deactivates the gene and, without its contribution, a person has dry earwax.
核爆炸产生的辐射还使一只小蜥蜴变异成了怪兽哥斯拉。
Radiation from nuclear detonations morphed a small lizard into Godzilla.
还有一些变异能够使病毒感染肺部之外的器官，像大脑、肠道或肝脏等，引起更严重的感染，甚至死亡。
Other changes might enable the virus to spread beyond the lungs and infect other organs like brain, intestine or liver, causing a more severe infection and even death.
一些变异的细胞快速生长，另一些则刺激附近的血管生长出新的毛细血管，其它的则使癌细胞进入血循环并生成新的肿瘤。
Some mutations spur rapid growth; others prod nearby blood vessels into sprouting new capillaries; still others send cancer cells out into the bloodstream, where they can seed new tumors.
这些变异刺激细胞大规模复制，使它能摆脱新组织生长过程中基因通常保持的控制。
Those mutations prod the cell into replicating wildly, allowing it to escape the control that genes normally maintain over the growth of new tissue.
核爆炸产生的辐射还使一只小蜥蜴变异成了怪兽哥斯拉。
Radiation from nuclear detonations morphed a small lizard into Godzilla。
你所需要做的就是使DNA变异，这在分子生物学力是很容易做到的，你可以用它标记，任何你感兴趣的蛋白质。
All you have to do is mutate the DNA, which is very straightforward to do in molecular biology, and now you can tag absolutely any protein that you're interested in.
这个变异基因改变了血液中的胆固醇微粒大小，使它们大于常规微粒。
The gene variant alters the cholesterol particles in the blood, making them bigger than normal.
这种变异使它的适应能力比其他四只猪更强。
This mutation makes it better adapted than the other four pigs.
张教授表示，在我们的祖先开始看到颜色后，一种对信息素信号通路十分重要的基因遭受了有害变异，使气味信号不能到达大脑。
After our ancestors began to see color, a gene important in the pheromone-signaling pathway suffered a deleterious mutation, making it impossible for the scent signals to reach the brain, Zhang said.
因此，使那一个基因产生变异就可以使一连串基因的总数增加或减少。
Then by mutating that one gene, the sum of genes in the string would increase or decrease.
该方法利用蚂蚁算法所具有的正反馈特性，再结合变异参数，使算法既有较快的求解速度又有较高的求解精度。
By using positive feedback properties of ant algorithm and mutation parameter, the algorithm has faster computing speed and higher solution precision.
线搜索算子与遗传算法中的选择算子、交叉算子和变异算子共同作用，使全局搜索和局部搜索都能够很好的实现。
The multi-objective line search operator interacts with selected operator, crossover operator and mutation operator, making global searching and local searching be well actualized.
该技术是通过放射线照射或者使用化学方法使基因变异。
The technique has been to mutate the genes by irradiation or chemicals.
然而，B细胞在变异和自我复制的过程中，多数变化会导致更弱或者非功能性抗体，使免疫系统开销增大，效率降低。
However, in the process of mutation and copy, most changes will make the new B-cells become more weak or produce non-functionality antibody, then the system will be huge spending and inefficient.
写作主体的身份变异使报告文学这样一种以跨文体性作为自身重要规范的文体显示出较强的交叉性与兼容性。
It is opined that the status variation on the part of writers has brought about marked changes in the style of the reportage, rendering its style more overlapping and encompassing.
对每一代的最优个体进行单独变异，使搜索效率提高。
Independent mutation is applied to the optimal individual in each generation to improve the search efficiency.
对每一代的最优个体进行单独变异，使搜索效率提高。
Independent mutation is applied to the optimal individual in each generation to improve the search efficiency.
应用推荐