The changes influence genes which help form and maintain connections between brain cells.
这些变异所影响的，是那些协助建立和维系脑细胞之间的联系的基因。
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.
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。
In short, a dust-covered copy of War and Peace alone isn't going to influence anyone's grades; what counts is parents' education levels, as well as their genes.
简而言之，单单一本沾满灰尘的《战争与和平》不会影响任何人的成绩；更重要的是父母的教育水平，以及他们的基因。
He points out that more than 200 genes influence weight.
他指出，有200多种基因会影响体重。
This is the first time that scientists have done a systematic analysis of how genes can influence the effect of coffee on heart attack risk.
报道说，这是科学家们首次对基因如何影响咖啡对心脏病发作危险的作用进行系统的分析研究。
If studies are going to determine how adopting such behaviors can influence and strengthen genes, they're going to need a lot of volunteers, and the LLFS, like the New England study, is ready.
如果这些研究想要弄清此类行为如何影响和加强基因，那么则需要大量志愿者作为研究对象。像“新英格兰研究”计划一样，LLFS项目也为此做了准备。
Gerontologists have found that the influence of environmental factors such as wealth or education on lifespan fades as we age, while that of genes increases.
老年医学专家已经发现环境因素如财富和教育对寿命长度的影响在我们变老的时候就消退了，而基因的影响却在增加。
Genes influence intelligence, to be sure.
基因固然影响智力。
The same data thatshow the effects of genes also point to the enormous influence of non-geneticfactors .
同样的资料表明，基因的影响同样可以表明 非基因因素的巨大影响 。
The scientists predict that analyzing additional similar genes will give further insight into genes and neural signaling pathways that influence reproductive and other behavioral interactions.
科学家预测分析更多的类似基因将会让我们更好的理解影响生殖和其他行为活动的基因以及神经信号通路。
Although the genes seemed to turn back off once the cells were pluripotent, it wasn't clear how they might influence the cells' later behavior.
一旦细胞变为多能细胞，那些多余基因可能会被回退并关闭，但他们对细胞日后的生长会产生怎样的影响还并不清楚。
Both genes are thought to influence appetite and how much energy the body USES.
这两种基因都被认为是影响人们胃口和决定人们可以使用多少能量的因素。
If it turns out there's no disease-specific relationship, but instead a more global influence, that would suggest these genes may have a fundamental role in slowing the aging process, he said.
他表示，如果研究结果显示这并不与特定疾病相关，而却在全球有更广泛的影响，这将表明此类基因也许对延缓衰老起到基础性作用。
TERC is likely only one of several genes that influence telomere length, says Tim Spector of Kings College London, who co-led the study.
该研究的掌门人之一，伦敦国王学院的蒂姆斯·帕克特(TimSpector)认为，TERC可能只是影响端粒长度若干基因之一。
By comparing 10, 000 pairs of Scandinavian twins, Christensen found that genes only start exerting a strong influence on our lifespan after the age of 60.
通过对1万对斯堪的纳维亚双生子的比较，Christensen发现基因只在60岁之后才对我们的寿命产生强有力的影响。
Environmental factors - whether diet, infections or exposures - may influence how genes are expressed.
环境因素——无论是饮食，感染或者暴露——都会影响基因的表达。
Scientists from Oxford University found that the vitamin exerts a direct influence over 229 genes that are known to be involved with certain diseases.
来自牛津大学的科学家们发现，维生素对与众多疾病相关的229个基因存在直接关系。
The researchers studied DNA and hair colour information from hundreds of Europeans. They investigated genes previously known to influence the differences in hair colour.
研究者已调查了数以百计欧洲人的DNA及发色信息，并研究了预先知晓的决定发色的基因。
Researchers at Erasmus MC in the Netherlands used DNA and hair color information from hundreds of Europeans, and studied genes known to influence hair color.
荷兰鹿特丹伊拉斯谟大学医学部的研究者利用来自于几百个欧洲人的DNA和头发颜色信息，研究了已知能对头发颜色产生影响的基因。
What are the characteristics of the genes and enzymes involved in this process, and what are the factors that influence their regulation?
涉及这一过程的基因和生物酶的特征是什么？什么因素影响它们规则？
But these estimates don't tell us about the individual genes that influence a trait - they rather indicate how important genes are relative to non-genetic influences.
但是这些评估并不能告诉我们单独的基因影响一种特性——他们仅指出基因相对于非基因影响是多么重要。
A new study by pediatric researchers has added to the evidence that genes have a strong influence on childhood obesity.
儿科研究者进行的一个新研究为基因对儿童肥胖有重要影响提供了新的证据。
However, evidence is now emerging that shows how your genes might influence whether or not a particular treatment can help you.
不过现在新出现的证据可以展示你的基因如何影响某种治疗对你是否有效。
Genetics, the study of genes, is gaining increasing importance. Genes can influence many things, from whom we look like to what we eat to possible treatments for diseases.
遗传学和基因研究的重要性不断增强。基因能影响许多事情，比如会影响着我们的长相。吃什么食物可能会引起疾病，需要被治疗。
The question this leaves open is whether many rare variations in genes will collectively account for a large influence on common disease.
问题在于基因中许多罕见突变是否能够共同解释对疾病的巨大影响。
Certain genes that influence traits like obesity, can be counteracted by a person's behavior and environment.
确定的基因能影响一些特征，像是肥胖，但也能通过个人的行为或是环境阻碍基因这一影响。
Certain genes that influence traits like obesity, can be counteracted by a person's behavior and environment.
确定的基因能影响一些特征，像是肥胖，但也能通过个人的行为或是环境阻碍基因这一影响。
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