如果必要让它们去适应新行星的环境条件基因改造也能够实施。
Genetic modification can be carried out if necessary to suit the new planetary conditions they are introduced into.
运用敲除、条件基因敲除或者过度表达的方法来改变发育过程中的基因表达,探讨在系统中出现的这些变化。
By changing gene expression patterns during development through knockouts, conditional knockouts, or overexpression, the changes in the system can be explored.
所以即使在正常条件下,这些亚物种间的基因流动也更像是一条断断续续的细流,而不是一条不停流淌的小溪。
So, even under normal situations, the gene flow among the subpopulations is more of an intermittent trickle than a steady stream.
那些生物个体拥有一些特征,这些特征为它们的生存竞争提供了有力条件,帮助它们更容易地存活下来,并且它们会将自己的基因传给下一代。
Those individuals who possess characteristics that provide them with an advantage in the struggle for existence are more likely to survive and contribute their genes to the next generation.
尽管成千上万不同条件的病人都接受过基因治疗,只有一小部分表现出临床上的受益。
Although thousands of patients have received gene therapy for a variety of conditions, only a few have shown any clinical benefit.
随后的在实验室进行的基因分析表明他们拥有各自的特性,属于新物种。但是因为他们已经适应了相似的气候和地理条件,所以它们看起来很像。
Subsequent genetic analysis back at the lab showed that they are new species in their own right but looked alike because they had adapted to similar climate and geographical conditions.
但是,环境对此的影响非常关键,我们只能根据环境中确实存在的条件来定义必需或非必需的基因。
But it turns out the environment is very critical for this, and you can only define an essential or non-essential gene based on exactly what's in the environment.
基因算法能让我们创造出因为太复杂而在通常条件下设计不出的东西。
Genetic algorithms may let us create things too complex to design in the ordinary sense.
他们认为,大脑的模式和遗传基因这两个条件,还不足以使任何人成为犯罪精神病患者。
They believe that brain patterns and genetic makeup are not enough to make anyone a psychopath.
印度恶劣的卫生条件是导致带有该基因的细菌广泛传播的主因,在这里有6.5亿人没有用过冲水马桶并且可能也没有干净的饮用水。
Poor sanitation in India, where 650 million people do not have access to a flush toilet and probably not to clean water either, is a major issue in the spread of bacteria carrying the gene.
而近日,有些科学家从技术层面对上述实验的研究方法提出了质疑:一些曾做过类似实验的研究者表示,当他们利用复杂的“基因芯片”扫描整个基因组时,发现其中的某个芯片可能会受特定条件的影响而产生出“错误的数据”。
Researchers involved in similar studies where entire genomes are scanned by sophisticated “gene chips” said one of the chips could produce “skewed data” under certain conditions.
别的研究人员系统地对酵母菌的6,600种基因进行了诱变,并观察这些变异酵母菌在不同条件下的进展状况。
Other researchers have systematically mutated each of the 6,600 genes in yeast and observed how the mutant yeast fare under different conditions.
之后在新的条件下,缺少竞争者的环境,或者获取食物的新途径,使得携带这些基因的人们也和没有这些基因的人一样数量剧增。
New conditions, perhaps territory free of competitors or a new technology for getting food, allowed people who carried them to flourish just as well as people who did not have them.
我们发现很多基因突变以后在实验室条件下没有可见的表型。
Many genes have been found that, when mutated, show no visible phenotypic effects under laboratory conditions.
许多科学家相信,转基因研究在地球深受气候变化影响的条件下,是保证世界不断增长人口对粮食需求的唯一途径。
Many scientists believe GM research is the only way to guarantee food for the world's growing population as the planet is affected by climate change.
首先,国际半干旱热带作物研究所绘制了珍珠谷子的基因区,这些谷子可控制干旱条件下的霜霉病抗性、谷物产量和产草量。
First, ICRISAT mapped the genomic regions of pearl millet that control downy mildew resistance, grain production and straw yield under drought conditions.
一种被称为缺氧诱导因子蛋白的特殊蛋白,控制帮助低氧条件下生存的基因。低氧的区域通常产生肿瘤的快速生长。
A specific protein, called the hypoxia-inducible factor protein, controls genes that help calls survive under low-oxygen conditions. Areas of low oxygen are common for fast-growing tumors.
对农场主来说,基因工程的庄稼能抗寒、抗旱,或抵御其他不利的天气条件,可做到既少花钱又少出力还能提高作物产量。
For farmers crops engineered with genes that resist cold drought or other adverse weather conditions can boost crop yields with less money and effort.
方法在热应激条件下,用PCR法从结肠腺癌细胞获取HSP70基因。
Methods Under a condition of heat stress, amplify HSP70 gene from colon cancer cells by PCR.
显然,不利条件是从早期传下来的,而不仅仅是通过基因。
Disadvantage is clearly passed on early, and not just through the genes.
这意味着研究者不但可以定性定量地分析肠道菌种,也可以这些菌种是通过那些基因对不同的环境条件进行应答的。
That means researchers could determine not only which species of bacteria were present and in what proportions, but also which genes these bugs were actively using in different conditions.
抗草甘膦“终结者”除草剂基因允许作物在喷洒草甘膦条件下生长,除草剂杀死野草与其他植物,但是允许作物生长。
The RR gene allows the growing crop to be sprayed with glyphosate, killing weeds and other plants but allowing the crop to grow on.
这就印证了变异基因是自然选择保留下来的结果,可它却不能回答自然选择为什么会成了遗传疾病的帮凶,但在一些特殊的条件下,进化能够产生这样的结果。
But it does not answer the question of how evolution can favour genetic diseases. However, in certain circumstances, evolution can.
人类基因组计划将彻底的检测,对某些疾病的预防和治疗的条件。
The Human Genome Project will revolutionize the detection, prevention and treatment of conditions of certain diseases.
目的探讨支持向量机在基因表达数据分类研究中的应用条件和效果。
Objective Discuss the condition and the effect of SVM in the classification of gene expression data.
目的:以CHO - K1细胞为宿主基因瞬时转染条件的优化。
Objective: To optimize the condition of gene transient transfection in CHO-K1 cell.
冷冻的大脑切片被保存在低温条件下,直到进行进一步切片处理并最终用RNA加以探测,以寻找特定的基因表达。
Frozen brain slabs are kept at cryogenic temperatures until they are further sliced and eventually probed with RNA to look for specific gene expression.
冷冻的大脑切片被保存在低温条件下,直到进行进一步切片处理并最终用RNA加以探测,以寻找特定的基因表达。
Frozen brain slabs are kept at cryogenic temperatures until they are further sliced and eventually probed with RNA to look for specific gene expression.
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