由塔丰·奥兹利克带领的土耳其科学家提出，一个基因的突变可能会导致四足动物的出现。
Turkish scientists led by Tayfun Ozcelik suggested that a mutation in a single gene might result in quadrupedalism.
信息四处漫溢，线缆和基因，脑细胞和夸克，到处都有它的影子。
Information flows everywhere, through wires and genes, through brain cells and quarks.
最终，四篇以基因为标签的论文被召回。
一些作物已经进行基因改造而包含蓝四氮唑，也就是控制某些病虫害的一种病菌。
Some crops have been genetically engineered to contain Bt, a bacterium that controls certain insect pests.
他和他的同事们研究了四种缺少这种蛋白基因的老鼠。
Together with his colleagues, he studied four different strains of mice lacking the gene for the prion PrPC.
研究人员还首次发现四种色素基因的进化对欧洲人至关重要。
The researchers also found positive selection in four pigment genes important for lighter skin in Europeans that were not known before.
线粒体给予真核生物每个基因四或者五个数量级多的能源，这使他们能够穿过鸿沟的墙壁，打开直通道。
Mitochondria give eukaryotes four or five orders of magnitude more energy per gene, and that enabled them to tunnel straight through the walls of the chasm.
他们聚焦于全部四位患者都携带变异体的12个基因，最终将候选基因缩小至1个。
They focused on 12 genes for which all four patients carried variants, eventually narrowing down their candidate genes to one.
通过基因筛选找到四色视者是一回事，证明她们可以看到千万种更多的色彩则是另一回事。
Finding tetrachromats through genetic screening is one thing. Proving they can see tens of millions of additional colors is another.
然而，代之以随机的填满每一个斑点，包含了一定排序的基因促使其成为四螺旋结构。
Yet, instead of randomly filling each spot, the genes included sequences prompting them fold into four-helix structures (right).
但是，这却是人类基因组工程预算的四分之一。
But it is only about a quarter of what the Human Genome Project cost.
该案例中的基因状况很罕见，除此之外已知的仅有四例。
The genetic condition in this particular case is rare: only four other examples are known.
他决定马上进行基因检测，因为育有四个子女的他，想要知道等待着他一家的将是什么。
He decided to get genetically tested right away because he had four children and wanted to know what lay ahead for his family.
例如，在第五个被睡眠剥夺的晚上，携带变异基因的人大约平均醒来四次，而未携带变异基因的人是两次。
For example, during the fifth night of sleep deprivation, those with the gene variant woke up, on average, almost four times, while those without the variant woke up, on average, twice.
四年后，1994年，通过对世界范围内几十个团队的实际基因的快速调查，犹他州的研究者们首先宣告了整个研究的结束。
Four years later, in 1994, after a breakneck search for the actual gene by dozens of teams around the world, researchers in Utah crossed the finish line first.
但2009年的H1N 1流感结合了四种基因成分，因而是全新的。这四种基因成分分别是：禽流感，一些人流感基因，以及两种猪流感。
But the H1N1 2009 is an entirely new combination of four genetic elements: a bird flu, some human flu genes and two types of swine flu.
来自不同研究机构和大学的研究者们已经鉴定了四个特异性基因，这些基因能够直接影响脂类水平。
The researchers, from a variety of institutions and universities, did identify four specific genes that could directly affect lipid levels.
所有活细胞的基因信息都储存在由四种碱基，即腺嘌呤(A)、鸟嘌呤(G)、胞嘧啶(C)、胸腺嘧啶(T)构成的DNA里。
The genetic information of all living cells is stored in the DNA composed of the four canonical bases adenine (a), cytosine (c), guanine (g) and thymine (t).
来自英国德比郡的28岁的珍妮与37岁的艾迪都携带有能导致贝敦氏症的错误基因，这就意味着他们任何一个孩子都有四分之一遗传这种基因的机会。
Both Jenni, 28, and Eddie, 37, from Derby are carriers of the faulty gene which causes Batten's disease - meaning any of their children have a one in four chance of inheriting the condition.
但是同样，大脑皮质区也受到管理感觉器官(手，四肢及嘴)成长的基因突变的影响。
But likewise, cortex gets affected by mutations in genes governing the growth of sensory appendages such has hands, limbs and bills.
我们四个人中间大约就有一个人携带有“吝啬基因”，这种基因是我们从我们的父母那里继承来的。
Around one in four of us carries the 'mean gene', which we have inherited from our parents.
四个案例中的每一个都有一个不同的变异，但都有相同的结果——就是阻止了消化乳糖的基因在断奶后被关闭。
In each of the four cases, a different mutation is involved, but all have the same result - that of preventing the lactose-digesting gene from being switched off after weaning.
这种叫做DNA-PK的基因，作用看来像似：控制肝脏内将碳水化合物转换成脂肪的过程。加州大学伯克利小组在星期四的细胞杂志内发表这个新观点。
The gene, called DNA-PK, appears to regulate the process in the liver that turns carbohydrates into fat, the University of California, Berkeley team reported on Thursday in the journal Cell.
家雀一直以来都在被人类深入研究，基因测试表明，它们的幼崽约有四分之一来自配偶以外的其它雄性。
Among barn swallows, that have been extensively studied, about a quarter of the nestlings were sired by a male other than the mate, according to genetic tests.
总的来说，95个基因变异解释了三分之一到四分之一的遗传胆固醇、甘油三酯水平异常。
Taken together, the 95 gene variants explain a quarter to a third of inherited cholesterol and triglycerides levels.
科学家们的愿望是终有一天能将这些蝾螈的基因移植到被截肢或五脏六腑受损的人身上，让他们的四肢和器官重新生长出来。
The hope is one day for their genes to be transplanted to people who lose limbs and organs only to see them re-grow.
遗传学基因证据表明，世界上所有其他非非洲裔种族的祖先，都是60，000年前跨越红海海峡，从现今的吉布提到达也门（再四散分布于世界各地）的。
Genetic evidence suggests that the ancestors of every non-African in this world crossed the narrows of the Red Sea, from modern Djibouti to Yemen, only 60,000 years ago.
腺嘌呤和胞嘧啶是DNA四大成分其中之二，而到底附着于哪一个则取决于具体的基因。
This attaches methyl groups (a carbon atom and three hydrogens) to either adenine or cytosine, two of the four chemical bases that form the alphabet of DNA, depending on the gene involved.
腺嘌呤和胞嘧啶是DNA四大成分其中之二，而到底附着于哪一个则取决于具体的基因。
This attaches methyl groups (a carbon atom and three hydrogens) to either adenine or cytosine, two of the four chemical bases that form the alphabet of DNA, depending on the gene involved.
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