科学家们已利用基因工程来保护番茄不受严寒的影响。
Scientists have used genetic engineering to protect tomatoes against the effects of freezing.
科学家将很快能够通过操控人类基因来控制衰老的过程。
Scientists would soon be able to manipulate human genes to control the aging process.
科学家对棉花进行了基因改造，以增强其对害虫的抵抗力。
Scientists have made genetic modifications to cotton to increase its resistance to insect pests.
随着抗旱作物新品种的不断开发，基因工程也可能提供部分解决方案。
Genetic engineering also may provide a partial solution, as new strains of drought-resistant crops continue to be developed.
在对组织样本进行基因分析后，科学家确认这条蛇是一个此前不为人知的物种。
The scientist confirmed the snake was a previously unknown species after conducting a genetic analysis of tissue samples.
我们的基因也帮助决定我们是否看到光明的一面，帮助解释为什么有些人步履轻快。
Our genes also help determine whether we look on the bright side, helping explain why some people have a spring in their step.
生物学家可以通过比较不同物种中相同基因的DNA序列来推断物种之间的进化关系。
Biologists can infer how species are related evolutionarily by comparing DNA sequences for the same genes in different species.
她从1990年开始接受治疗，采用了一种革命性的新疗法，试图从她白细胞基因的源头纠正缺陷。
She was treated beginning in 1990 with a revolutionary new therapy that sought to correct the defect at its very source, in the genes of her white blood cells.
为了展示他们的方法，他们给一种细菌添加了这种基因，并发现培养细菌的烧瓶中放出的光足可以在旁边看书。
To demonstrate their approach, they added the genes to a bacterium and found that a flask of the bacterial culture produced enough light to read a book by.
显然，自然资源保护主义者需要想出一种全新的方式来拯救物种，在保护动物及其基因的同时，也要保护其传统。
Obviously, conservationists need to think about saving species in a completely new way by preserving animal traditions as well as bodies and genes.
另一种更有趣的可能性是，使蜥蜴的脚趾成形的基因信息，以某种方式存活了几千万年甚至几亿年，而且被重新激活了。
Another more intriguing possibility is that the genetic information needed to make toes somehow survived for tens or perhaps hundreds of millions of years in the lizards and was reactivated.
一群成千上万的白杨实际上可以组成一个单独的有机体，被称为克隆，它们共享一个相互连接的根系和一套独特的基因。
A group of thousands of aspens can actually constitute a single organism, called a clone, that shares an interconnected root system and a unique set of genes.
芭芭拉·弗雷德里克森是研究积极情绪重要性的国际领先权威，她说，人类的基因决定了寻求积极情绪，比如爱和快乐。
Barbara Frederickson, a leading international authority on the importance of positive emotions, says humans are genetically programmed to seek positive emotions such as love and joy.
你体内的大多数细胞每条染色体都有两份拷贝，因此，每个基因也都有两份拷贝：一份来自你的母亲，一份来自你的父亲。
Most cells in your body have two copies of every chromosome and, therefore, two copies of every gene: one from your mother and one from your father.
在研究玉米的基因构成时，芭芭拉·麦克林托克发现了一种新的突变基因，这一发现使人们对细胞分化有了更深入的了解。
While studying the genetic makeup of corn, a new class of mutant genes was discovered by Barbara McClintock, a discovery which led to greater understanding of cell differentiation.
对世界各地的生物医学研究人员来说，双胞胎提供了一个宝贵的机会，来解开基因和环境——也就是先天和后天的影响之谜。
To biomedical researchers all over the world, twins offer a precious opportunity to untangle the influence of genes and the environment—of nature and nurture.
大多数只有一个基因拷贝的人——“携带者”——能够存活下来并将基因传给后代。
Most people with only one copy of the gene—"carriers"—survive and pass the gene to offspring.
在转基因食品方面，科学恰恰更为我们所需，所以我很高兴看到《自然》杂志专门发表了一系列关于转基因食品争议的文章。
Science is exactly what we need more of when it comes to GM foods, which is why I was happy to see Nature devote a special series of articles to the GM food controversy.
基因组之后，蛋白质组来了！
皮肤老化？别怪基因。
研究人员2003年完成了人类基因组测序。
基因组学可能揭示：人类本为兄弟姊妹。
Genomics may reveal that humans really are brothers and sisters under the skin.
它有可能极大地加快基因测序的速度和普及程度。
It has the potential to greatly accelerate and democratize gene sequencing.
当然，基因并非决定性的唯一因素，环境也很重要。
Of course, genes aren't the only factor in determining traits -environment matters, too.
他们正在修饰基因以增强作物抗旱和吸收氮的能力。
Their genes are being tweaked to increase the plants' drought-resistance and improve their absorption of nitrogen.
它们还能帮助研究人员设计出细胞中的人工基因电路。
They may also help researchers to design synthetic genetic circuits in cells.
它们还能帮助研究人员设计出细胞中的人工基因电路。
They may also help researchers to design synthetic genetic circuits in cells.
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