Biologists studying wild monkeys sometimes need the genetic material DNA from a particular monkey to determine the animal's parentage.
生物学家研究野生猴子时，有时需要某只猴子的遗传物质DNA来确定其亲子关系。
By analyzing the DNA, the genetic material of the proteins, the researchers could focus on the toxic genes and use them to trace the evolution of snake venom, and from this, the evolution of snakes.
通过对DNA 及蛋白质中的基因物质进行分析，研究人员可以专注于有毒基因，并利用它们得到蛇毒的进化轨迹，这样也就知道了蛇的进化源。
In 1952, the "Waring blender experiments" of Alfred Hershey and Martha Chase confirmed DNA as the genetic material.
1952年，阿尔弗雷德·赫尔希和玛莎·蔡斯的“沃林混合实验”证实了DNA是遗传物质。
To avoid such errors in the new study, they tagged each Neanderthal DNA strand with a unique molecular bar-code, to distinguish it biochemically from any extraneous genetic material.
因此在新的研究中，为避免再出现这种错误，他们将每一条尼安德特人的DNA都标记出来，以区别于所有外来的遗传物质。
They looked to see whether they could find genomewide significant associations between some of the snips of genetic material taken from subjects' DNA and the personality dimensions of interest.
他们试图发现：在一些从研究对象身上取出的DNA遗传物质标记和个性兴趣维度之间，是否可以知道全基因组显著的相关性。
Although mastodon mitochondrial DNA has been sequenced before, the researchers say they were the first to do the analysis on DNA from the cell nucleus - in this case, using material from a tooth.
尽管此前已完成了美洲乳齿象的线粒体dna测序，研究者表示他们还首次实现了对细胞核dna的测序-在本例中使用的材料来自牙齿。
Monsanto has a “corn chipper” which takes a small amount of genetic material and generates a DNA profile of hundreds of maize seeds simultaneously in seconds.
孟山都公司有一个“玉米削片机”，仅需少量的基因材料就可以在几秒钟内同时产生几百个玉米种子的DNA图谱。
These provide material for DNA fingerprints, which have since been mapped for the whole of Africa.
这为DNA指纹提供了材料，然后各类DNA指纹就会标示在整个非洲的地图上。
The difference is the amount of DNA that could be supported in the nucleus, not as repetitive copies of the same old genes, but as the raw material for new evolution.
所不同的是细胞核可维持的DNA数量不是作为一个老的基因重复的副本，而是作为新的进化的原始材料。
Purifying it involved a clever trick using enzymes that can identify and destroy the genetic material of micro-organisms without also destroying too much of the DNA of interest.
有一个巧妙的方法来纯化dna，用一种酶能够辨别和摧毁微生物有机体的遗传物质而不会销毁太多相关的DNA。
Chromosomes are long strands of genetic material or DNA that have been packaged and compressed by wrapping around proteins.
染色体是通过缠绕蛋白质而被包装、压缩而成的遗传物质或DNA长链。
Strands of genetic material - DNA and RNA - are sequences of small units called nucleotides.
基因资料—dna和rna—链是称为核苷酸的小单元组成的序列。
Some researchers think that DNA origami proves microscopic material can be controlled to form specific objects, including smaller circuits.
一些研究人员认为DNA折纸证明可以控制微观材料使其形成特定物体，包括更微型的电路。
All are RNA viruses, which means they can't easily convert their genetic material into DNA, a necessary step for integrating into an animal's genome.
他们都是核糖核酸病毒(RNA病毒)，这就说明了他们不能轻易地将他们的遗传物质转化成dna，这是一个整合成动物基因组的必要步骤。
The hereditary material of a retrovirus is a molecule called RNA, which is similar to, but distinct from, DNA.
逆转录病毒的遗传物质是RNA，一种类似但又区别于DNA的分子。
As I've mentioned in previous columns, mutations - accidental changes to DNA - provide the raw material for evolution.
正如我在以往专栏中提及的那样，突变是DNA的意外变异，也是进化的原材料。
The complaint also quotes a GMO definition from the World Health Organization: "Organisms in which the genetic material (DNA) has been altered in a way that does not occur naturally."
原告还引用了世界卫生组织对转基因作物的定义：“作物的遗传物质（DNA）用一种不会自然发生的方式改变。”
Biochemists call it the central dogma: Genetic material, in the form of a long nucleic acid polymer called DNA, stores a digital record of every protein's design.
生物化学家将这套系统称之为中心法则(central dogma)：以长链核酸聚合物形式存在的DNA是遗传物质，它储存着每种蛋白质设计的数据记录。
Monsanto has a "corn chipper" which takes a small amount of genetic material and generates a DNA profile of hundreds of maize seeds simultaneously in seconds.
Monsanto有“炸马铃薯“，只需少量的遗传物质，几秒钟之内就可以找到数以百计的玉米种子资料图谱。
Alellyx, which Mr Reinach claims is the only company tweaking sugar-cane DNA, has started field trials of a variety with 80% more sucrose—the raw material for sugar or fuel—than the standard sort.
Reinach认为Alellyx是唯一一家将糖和甘蔗的DNA进行拧合的公司。 这家公司现在开始对一种使用比标准品种蔗糖（糖或燃料的原材料）含量高80%以上的新品种进行田间试验。
Hence, every forensic lab is confronted with cases where the DNA profile obtained from the evidence material does not match that of any known suspect tested, nor anybody in the criminal DNA database.
因此，有的时候从证物上获得的DNA分析结果可能与任何一个嫌疑人的检测结果都不匹配，在罪犯DNA数据库中也找不到相匹配的结果。这样的问题每个法医室都会遇到。
The particular structure and wonderful properties of DNA have tremendous application potential in biology, medicine, material science and so on.
DNA的独特结构和优良性能在生物、医学、材料等学科有着巨大的应用潜力。
It is an important process of cytogenetics to study the structures and functions of chromosome, the main carrier of genetic material DNA.
染色体作为主要的遗传物质DNA载体，研究它的结构和功能是细胞遗传学必不可少的重要环节。
The experiment could open the door to production of artificial organisms whose original genetic material is replaced entirely by man-made DNA, the researchers said.
研究人员称，这项试验打开了一扇门，可以用人造dna完全替换细菌原有的遗传物质制造出人工生物体。
The interplay between the lipid spheres, called giant vesicles, and the strands of DNA produces a unique response when the material is exposed to changes in temperature.
该材料在遭遇外界温度改变时，被称为巨大囊泡的脂质微球与DNA链相互作用可以产生一种独特的响应。
DNA is the most important genetic material. So the method and technique of DNA extracting is the basic method for biochemistry, molecular biology and recombinant DNA technology.
DNA是最重要的遗传物质，因此，DNA的提取方法和技术是生物化学及分子生物学最基本的技术，也是生物工程最常用的技术。
The material, which consists of synthetic spheres 'glued' together with short strands of DNA, could be used to underpin a new class of biosensors, or form the basis for new drug delivery systems.
这种由合成微球与短链DNA结合的材料可以用作一种新类型的生物传感器的基体，或是用来构成新的药物输送系统的基础。
The material, which consists of synthetic spheres 'glued' together with short strands of DNA, could be used to underpin a new class of biosensors, or form the basis for new drug delivery systems.
这种由合成微球与短链DNA结合的材料可以用作一种新类型的生物传感器的基体，或是用来构成新的药物输送系统的基础。
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