Research in basic theory of GA and its application are retrospected and a new mutation operator, combinational mutation, is defined.
回顾遗传算法的理论和应用研究方面的进展,定义了新的变异算子。
Conclusion Com bined with pedigree analysis, it was summarized that achondroplasia patients in this family might result from this new mutation.
结论结合系谱分析,这一新突变可能是导致该家系患者软骨发育不全的原因。
Isolated case — an individual who is the only member of his or her kindred affected by a genetic disorder, either by chance or by new mutation. See also sporadic.
一个家系中唯一的患病个体,可由上代遗传基因决定,也可由于新突变产生。参见散发。
Conclusion: This new method of DNA sequence deletion mutation is simple and accurate. It could avoid new mutation in PCR process of traditional DNA manipulation method.
结论:该方法操作简单、精确,能够避免引入新突变,为DNA序列的缺失突变提供了一种新方法。
The latter is believed to be a relatively new mutation, and it is estimated that it appears in Homo sapiens "only" 50,000 years ago at the time of humankind's great exodus from Africa.
估计在5万年以前的智人时代,当人类从非洲大量迁徙而出时,这种变异就已出现了。
Their allele frequencies at numerous genetic loci gradually become more and more different as new alleles independently arise by mutation in each population.
随着新等位基因在每个群体中独立突变产生,它们在许多遗传位点上的等位基因频率逐渐变得越来越不同。
But because the virus is so adept at eluding the body's immune system via mutation, many new varieties crop up each year.
但是因为这种病毒能够通过变异非常老练地逃过身体的免疫系统,每年都产生许多新的变种。
The new individual will, in theory, be as fit as the parents, plus or minus a small variance caused by the mutation.
理论上说来,新的个体是和双亲一样适应的,由于变异或增或减会有些微小的变化。
A genetic mutation causes people to be born without fingerprints, a new study says.
一项新研究表明,基因变异导致一些人生来无指纹。
But the new evidence that humans have adapted rapidly and extensively suggests that natural selection must have other options for changing a trait besides waiting for the right mutation to show up.
但人类能够全面并且快速适应新环境,这个新发现的证据说明自然选择要想改变某一特征可能不必等待正确的变异发生,而是还有其它选择。
New findings by Professor Eli Sprecher of Tel Aviv University's Faculty of Medicine and the Tel Aviv Sourasky Medical Center show that a genetic mutation is responsible for this unusual condition.
特拉维夫大学Sackler医学院的Eli Sprecher教授和特拉维夫Sourasky医疗中心表示,造成这一不寻常现象的原因是基因突变。
Before heading west towards Europe, the next mutation, which defined a new lineage, appeared in a man around 35,000 years ago, 'he said.
他说:“在他们西迁至欧洲之前,大约3万5千年前,下一代物种突变出现在种族群体的个体中,标志着一个新世系的形成。”
A mutation in a brain protein gene may trigger irregular heart beat and sudden death in people with epilepsy, according to new research in the April 14 issue of the Journal of Neuroscience.
根据《The Journal of Neuroscience》4月14日的最新研究,大脑蛋白基因的某个突变会引发癫痫患者心律不齐和猝死。
The new estimate would slow the average rate of hepadnavirus mutation some 1,000-fold, wrote the researchers of the new the study, published online September 28 in PLoS Biology.
研究人员在9月28日发表的PLOS生物学上的一篇文章中称,对于病毒起源的估计可能会将嗜肝病毒的突变速度减慢1000倍。
The new estimate would slow the average rate of hepadnavirus mutation some 1, 000-fold, wrote the researchers of the new the study, published online September 28 in PLoS Biology.
研究人员在9月28日发表的PLOS生物学上的一篇文章中称,对于病毒起源的估计可能会将嗜肝病毒的突变速度减慢1000倍。
Researchers hope that the good side of the mutation can be exploited to develop new and better ways to fight malaria.
研究人员则希望,这些致病基因的有益一面可以被利用来开发更好的疟疾防治方法。
This month's discussion topic will be about one of the new Zerg units: the Baneling, the mutation of one of the most popular Zerg units, of the Zergling.
这个月的讨论话题是关于我们虫族其中的一个新单位:自爆狗-最热门的一个虫族单位小狗的变体。
The new mathematical results allow calculation of this mechanism when the fitness function and the mutation, recombination and horizontal gene transfer rates are known.
当适应度函数和突变、重组及水平基因转移率已知时,该项新的数学上的结果可以使这一机制运算化。
Often the result of a new germline or somatic mutation.
通常源于种系的新突变或体细胞突变。
ObjectiveTo study clinical meaning of new DNA chip technique in detecting the mutation of HBV-DNA , and to offer testimony for clinical diagnosis and treatment.
应用新型基因芯片研究乙肝病毒多点基因变异在慢性乙肝患者中的意义,为临床诊断和治疗提供依据。
British physician who first recognized a new class of genetically induced diseases resulting from a mutation in a single gene that causes the absence or malfunctioning of a particular enzyme.
英国内科医生。他首先发现一类新的基因诱导疾病是由于某一个基因发生突变从而导致某种特殊的酶缺乏或产生故障而引发的。
The main application is in discovering new genes, analysis of gene expression, gene mutation, polymorphism and genetic sequence test.
主要应用于新基因发现、基因表达分析、基因突变及多态性分析、基因测序等。
Conclusion a new compound heterozygous mutation of ECM1 gene was identified in this LP family.
结论本类脂质蛋白沉积症家系存在新的ECM 1基因突变位点。
A new adaptive mutation particle swarm optimizer (AMPSO), which is based on the variance of the population's fitness is presented.
本文提出了一种新的基于群体适应度方差自适应变异的粒子群优化算法(AMPSO)。
Aprotectionstrategyfortheevolvedgenerationsfor individuals is introduced to guarantee enough evolution before the mutation occur, which avoids immature exploitation for new Spaces.
引入对个体的代数保护策略,即在它发生变异前保证有足够的演化,可以避免对新空间不成熟的开发。
A new evolutionary algorithm based on hybrid crossovers and intermittent mutation for global optimization of complex functions with high dimensions is proposed.
通过混合使用多种杂交算子并辅之以间歇变异,提出了一种求解高维复杂函数全局优化问题的新型演化算法。
A new boundary mutation strategy, the minimum boundary mutation, is presented based on Particle Swarm Optimization (PSO).
提出一种新的粒子群算法(PSO)边界变异策略——最小值边界变异。
Based on the characteristic of MWT problem, new operators for crossover and mutation are presented, that is, polygon crossover and triangular mutation.
针对平面点集最小权三角划分问题的特点,提出了新的交叉算子和变异算子,即多边形交叉算子与三角形变异算子。
Based on the characteristic of MWT problem, new operators for crossover and mutation are presented, that is, polygon crossover and triangular mutation.
针对平面点集最小权三角划分问题的特点,提出了新的交叉算子和变异算子,即多边形交叉算子与三角形变异算子。
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