最近,人们在突变积累实验(MA)中测定有害基因突变(DGM)的兴趣大增。
There is a recent upsurge of interest in characterizing deleterious genomic mutations (DGM) by mutation accumulation (MA) experiments.
面部匀称可能是男性稳定性的一个体现,说明在个人成长过程中较少有疾病、毒素、营养不良或有害的基因突变等问题的困扰。
Facial symmetry may be a reflection of stability in men, indicating fewer disturbances such as diseases, toxins, malnutrition or harmful genetic mutations during an individual's development.
研究者们强调了深入研究的巨大潜力:他们发现其中一个基因参与一种未知的可降低有害胆固醇的代谢过程。
Highlighting the potential of further study, they found that one particular gene is involved in a previously unknown metabolic process that can lower bad cholesterol.
虽然没有严格证据显示它是有害的,但是讨论基因改造食品的无知之谈,表明一项新技术需要多少的普遍认同。
No serious evidence yet suggests it is a danger-but the nonsense over genetically modified foods shows how much a new technology needs popular approval.
有一些变异不改变“单词”,即基因;有一些会改变单词但不会改变它的意思;而有一些变异则会改变单词的含义,产生有利或有害的后果。
Some do not change the "words" that are the genes; some change a word but not its meaning; and some change the meaning in a way that can be beneficial or harmful.
这些新的基因当然将导致创造产生新的蛋白,通常对原先的作物是外来的蛋白,而且或许,在最坏的情况下是毒素、致过敏源或者其他方式对健康有害。
These new genes will of course cause the creation of new proteins, which will generally be alien to the plant, and may, in the worst case, be toxic, allergenic or otherwise detrimental to heath.
这些新的有害物质会损害细胞中的遗传基因DNA。
These new dangerous substances then damage the genetic content of our cells.
有害的隐性基因在正常菌木中不表现出来。
In normal seedlings the deleterious recessive genes are not expressed.
有害的基因突变较少可能出现于大群体中,因为广阔的基因突变种类,他们可以随意地选择同伴进行繁衍。
Harmful genetic mutations are less likely to appear in large populations where individuals reproduce with random partners due to the wider variety of genetic mutations.
消极优生学的范例是试图破坏一种对人体有害的隐性基因。
An example of negative eugenics would be the attempt to eradicate a harmful recessive gene.
这样的挑战对饲养主去用他们所有的智慧去避免和防止动物在一起并且带有相同有害的基因。
The challenge for breeders is to use all the knowledge available today to avoid breeding animals together that carry the same deleterious genes.
另一方面是反对者他们认为转基因食品对我们的健康是有害的因为它的潜在威胁如某些物种可能会影响基因的漂移转基因食品可能会引起过敏反应。
On the other are the opponentswho believe that GMF is harmful to our health because it's potential threatsuch as some species may be affected by the drift of genesGMF may cause allergic reactions.
它们加上原有的证据,基因改造作物可能损害健康,以及对环境有害。
They add to the evidence that GM crops may damage health as well as be harmful to the environment.
通过选择、杂交和转基因,人们既有可能创造出危险及有害的新作物,也有可能创造出更好、食用更安全的作物。
Through selection, hybridisation and GM you can create new varieties that are dangerous and life-threatening, or you can create varieties that are better and safer to eat.
基因改造食物对人体有害。
多数植物带有大量有害的隐性基因的“遗传负荷”,其中少数是纯合的,因而降低了生长。
Most plants carry a large genetic load for deleterious recessive genes of which a few are homozygous and depress growth.
张教授表示,在我们的祖先开始看到颜色后,一种对信息素信号通路十分重要的基因遭受了有害变异,使气味信号不能到达大脑。
After our ancestors began to see color, a gene important in the pheromone-signaling pathway suffered a deleterious mutation, making it impossible for the scent signals to reach the brain, Zhang said.
然而,只有当他们吃掉过多的脂肪时才会变胖,低脂饮食会抵消基因的有害影响。
However, this is only true if the fat consumption is high. A low fat diet neutralizes the harmful effects of the gene.
有害的寄生微生物基因用来攻击植物组织和其他土壤中的微生物,吃正常的土壤条件下,无法抵御。
Harmful parasitic microbes are genetically designed to attack plant tissue and are unable to defend against other soil microbes that eat them, under normal soil conditions.
用基因探针技术检测食品中的有害微生物具有特异性强、灵敏度高和操作简便、省时等优点。
Detection of pathogenic and spoilage micro organism in foods by DNA probe has the advantages of high specificity, sensitivity, simple and time saving.
的突变在诊断或复发时获得的,和导致截断保守的氨基酸残基的组蛋白乙酰转移酶结构域的基因或有害的替代。
The mutations were either present at diagnosis or acquired at relapse, and resulted in truncated alleles or deleterious substitutions in conserved residues of the histone acetyltransferase domain.
有害的生活方式伦敦国王学院的蒂姆·斯佩科托博士说:“我们研究的课题是从基因方面来探究某些人类易衰老的原因。”
Bad lifestyles Professor Tim Spector, from King's College London, said: "What our study suggests is that some people are genetically programmed to age at a faster rate."
转基因食品含有未经试验的外来成分,对我们的健康可能有害,如同它们已经危害环境与农民生计那样。
Genetically engineered foods contain untested novel foreign compounds that can be detrimental to our health, just as they are to the environment and farmers' livelihoods.
转基因食品含有未经试验的外来成分,对我们的健康可能有害,如同它们已经危害环境与农民生计那样。
Genetically engineered foods contain untested novel foreign compounds that can be detrimental to our health, just as they are to the environment and farmers' livelihoods.
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