它们可以附在胞核嘧啶上，胞核嘧啶是组成基因代码的“字母”的四种碱基数之一，帮助调控转录的过程。
These can attach themselves to cytosine , one of the four chemical bases that form the "letters" of the genetic code.
正如查尔斯·达尔文（Charles Darwin）所观察到的那样，只要有一种基因组成的个体比其他个体更善于繁殖，自然选择就会起作用。
As Charles Darwin observed, natural selection operates whenever individuals of one genetic composition are better at reproducing than that of others.
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.
对我们中的一些人来说，认为杯子是半满的想法或许是与我们的基因组成固定相连的，帮助我们摆脱生活的痛苦，享受积极的人生。
It seems that for some of us, seeing the glass as half full is hardwired into our genetic make-up, helping us shrug off the miseries of life and enjoy the positives.
这台机器会告诉你你的基因组成，并允许你上网查看你的测定结果。
That machine tells you your genetic makeup and lets you view your results online.
研究人员还发现只有百分之1.5基因序列与那些组成我们细胞和组织的蛋白质相关。
Researchers have also learned that just 1.5 percent of all human genes code for the proteins that make up our cells and tissues.
心理学家们认为，无私和利他主义等品质已经成为我们基因的组成部分，因为这些品质对伴侣来说极具吸引力。
Psychologists believe that traits such as selflessness and altruism have become part of our genetic make-up because they were attractive to mates.
有人曾构想过个性化医疗的时代，医生根据每个人的基因组成制定相应的治疗方案。
There was talk of an era of “personalised medicine” in which treatments would be tailored to an individual's genetic make-up.
这个故事也使我在基因组成上就烙下了这样的观念，这就是，这个国家大于各部分之和——我们虽各各不同，实则一心。
But it is a story that has seared into my genetic makeup the idea that this nation is more than the sum of its parts - that out of many, we are truly one.
生活方式、肌肉组织、基因组成，以及整体健康的差异都是你的健康水平的决定性因素。
Differences in lifestyle, muscle tissue, genetic makeup, and overall health all help determine your personal fitness level.
研究人员正在努力鉴别圈养大熊猫的基因组成以达到最佳配对组合。
Efforts are now being madeto identify the genetic make-up of the captives to ensure the best possible matingmatches.
众所周知，这个由G碱基和A碱基组成的基因能够影响脑化学，并且研究人员认为它可能以影响人们慷慨行为的方式影响了吝啬行为。
The gene, which comes in ‘G’ and ‘A’ versions, is known to influence brain chemistry and the researchers believed it may do so in a way that affects how generous – or not – we are towards others.
这种基因的“重新编程”帮助细胞生长并组成更发达的神经网络。
This reprogramming of the genes in the brain helps nerve cells to grow and develop larger networks.
同卵双胞胎具有相同的基因组成，而异卵双胞胎只是像其他任何两个兄弟姐妹一样基因相似。
Identical twins share identical genetic makeup, while fraternal twins are only as genetically similar as any two siblings.
但有单独并无显着作用的基因组成的特别的组合可能也很重要。
But particular combinations of genes that are not individually significant may also be important.
众所周知，这个由G碱基和A碱基组成的基因能够影响脑化学，并且研究人员认为它可能以影响人们慷慨行为的方式影响了吝啬行为。
The gene, which comes in 'g' and 'a' versions, is known to influence brain chemistry and the researchers believed it may do so in a way that affects how generous - or not - we are towards others.
可惜的是，研究者们发现，特定人的基因组成与某种疾病的关联比我们所想的要复杂的多。
Alas, researchers have discovered that the link between a given person's genetic make-up and specific diseases is much more complex than they had hoped.
以下是一些图片可以帮助你更好的理解这些组成你的微小的基因代码。
Below are some of the facts to help you better understand the little bit of genetic coding that makes you, you!
相对于人的基因组成，这种差别对社会的性别控制影响更大。
But that has more to do with society's control over gender in general than the genetic makeup of people.
DNA告诉身体怎样合成蛋白质，而指令就包含在组成DNA的基因中。
DNA told the body how to build proteins. The instructions came in chapters called genes.
吝啬基因由G碱基和A碱基组成，众所周知能够影响脑化学。
The 'mean' gene, which comes in 'g' and 'a' versions, is known to influence brain chemistry.
从基因的组成研究，他们发现基因的开和关对于生物学和医学同等重要。
They found the way genes are switched on and off is at least as important, both biologically and medically, as the composition of those genes.
螺线的方向取决于蜗牛妈妈的基因组成。
The orientation of the spiral is determined by the genetic make-up of the snail's mother.
这些区域中，大部分并非由那些为人们所熟知的基因组成的。
Google不停地建立索引，海底世界，互联网，你家门口，还有越来越多的人类基因组成。
The company indexes the bottom of the ocean, the web, the view of the front of your house and an increasing number of peoples' genetic makeup.
在这项研究中，研究人员分析了近2万人的基因组成，以寻找影响心跳的基因因素。
In the study, the researchers analysed the genetic make-up of almost 20, 000 people to look for genetic factors influencing the heartbeat.
因此，我们正处在发现地球生命及其组成成分和基础基因的最初阶段。
So we're at the earliest stages of discovery about basic genes, components and life on this planet.
根据一项发表在《自然》杂志的研究，这类“瘦身”基因由人类第16号染色体上的28个基因组成。
According to a study published in the journal Nature, the genes in question are a group of 28 that form part of chromosome 16.
根据一项发表在《自然》杂志的研究，这类“瘦身”基因由人类第16号染色体上的28个基因组成。
According to a study published in the journal Nature, the genes in question are a group of 28 that form part of chromosome 16.
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