The human population contains a great variety of genetic variation, but drugs are tested on just a few thousand people.
人类群体中有各种各样的基因变异，但是药物只在几千人身上进行测试。
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。
The best information on early population movements is now being obtained from the 'archaeology of the living body', the clues to be found in genetic material.
关于早期人口迁移的最佳信息现在可以从“活体考古学”中获取，这是在遗传物质中发现的线索。
"In the general population today, at this genetic, environmental level, we've pretty much gone as far as we can go," says anthropologist William Cameron Chumlea of Wright State University.
莱特州立大学的人类学家威廉·卡梅伦·楚姆利说：“在今天的一般人群中，在这种遗传和环境水平下，我们已经走到了我们力所能及的程度。”
This, in turn, has a major effect on their diet, leading scientists to speculate that the ability to learn population-specific hunting methods could be driving the animals' genetic development.
这进而对它们的饮食产生了重大影响，促使科学家们推测，学习特定种群狩猎方法的能力可能推动了这些动物的基因发育。
Sometimes it is because in the new population, the genetic background for their other genes masks the effect of gene a on depression.
有时，那是因为在新的人群中，人们其他的基因作用下的遗传背景掩盖了基因A对抑郁的效应。
Each group carried only a subset of the genetic variation from its ancestral population.
每个族群只携带有他们祖先群体中遗传变异的一部分。
"It may be a genetic difference or a slight difference in the [bee] population" -or something else entirely.
也许是基因的不同或则是不同种群之间的细微差别，或则完全是别的其它原因。
if most individuals are bred from a small number of parents, they could be vulnerable to a genetic disease, potentially wiping out almost the whole population at once.
(举例来说，假如大部分个体是由小部分的父母亲繁衍而来，他们更易受到遗传疾病的侵袭，甚至有可能让整个种群几乎在一次侵袭中全军覆没。)
More sophisticated genetics research will help explain the combination of genetic factors contributing to the vast majority of the obese population.
更多精密的基因研究将帮助解释基因因素的联合如何成为大部分人群的肥胖原因。
The Canary Island population also shows genetic differences from the mainland population.
而加那利群岛上的居民也表现出了与大陆居民基因上的不同。
Pharmacogenomics is the study of the stratification of the pharmacological response to a drug by a population based on the genetic variation of that population.
药物遗传学是基于人群的遗传变异研究该人群对药物的遗传反应的分别。
The researchers said findings suggest that in future it might be possible to control the size of the malaria-carrying mosquito population by introducing a genetic change that makes males sterile.
研究员称该发现表明，未来有可能采用基因转变以使雄蚊无生殖力来控制携带疟疾病菌蚊子的数量。
New versions of a gene can also become universal in a population through a random process known as genetic drift.
当人体经过遗传漂变的过程后，基因变种在人类中变得更常见。
The accepted scenario was a simple case of evolutionary selection. In a bacterial population exposed to a killer drug, a few lucky individuals might have a genetic mutation that kept them alive.
我们本以为这是再简单不过的进化选择了：当药物杀向全体细菌时，总有那么几个幸运儿，基因突变了，小命保住了，它们可以活下来继续繁殖下一代，而剩下的那些倒霉蛋就从此命归黄泉了。
"We really wanted to capture the genetic information of that population," he said, referring to the growing number of Latinos in the USA, now totaling about 45 million.
“我们真的很想获得那个人群的遗传信息，”Gerardo Jimenez - Sanchez说，这些人群指得是美国越来越多的拉丁美洲人，现在总共约有45,000,000。
Another synthetic biology inspired malaria project aims to stop transmission of the disease at the level of its vectors by engineering a genetic system to establish itself in a mosquito population.
另一个受到合成生物启发的疟疾工程目标是通过从媒介层面防止疾病的传播，也就是建立一个基因体系作用在蚊子种群当中。
Each time that happened, the population lost a lot of its genetic diversity simply because a lot of people died.
每经过这样一个时期，群体就会因人的大量死亡而失去许多遗传变异。
Researchers have long known that modern humans lack the genetic variation found in other living primates, such as chimpanzees or gorillas, even though our current population size is so much larger.
科学家以前就知道，虽然我们人口众多，但现代人不像其它现存的灵长类动物（比如黑猩猩和大猩猩）有那么多遗传变异。
They used the number of those genetic differences between the two genomes to calculate how large the population was at that time.
他们根据两个基因组中的基因差异，计算远古时期的种群数量。
For the younger population, perinatal complications, congenital, developmental and genetic conditions are associated with epilepsy.
对年轻人而言，围产期并发症以及先天性、发育和遗传病症与癫痫相关。
Due to the small population, marriage between cousins is fairly common on the island, and this has led to widespread genetic asthma (which is one of the better side effects of rampant inbreeding).
由于人口稀少，表亲之间通婚在岛上就显得很平常了，而导致遗传性哮喘普遍存在（这还是近亲繁殖出现的副作用中较好的情况）。
In fact, there is no scientific basis for theories pushing the genetic superiority of any one population over another.
实际上，那种认为某一种群比另一种群的基因更优越的理论是毫无科学根据的。
Objective: To present the methodology of graph theory principle coordinates analysis and explore its applicability for studying human population genetic structure.
目的：提出基因频率矩阵的图论主坐标分析方法，探讨该法在人类群体遗传结构研究中的应用。
The graph theory principle coordinates analysis is an ideality method for studying the human population genetic structure.
图论主坐标分析是分析人类群体遗传结构的一种理想方法。
Several vivid and interesting facts have been presented to show that some problems of life activity can be reduced to mathematical problems, for example, genetic rule, population growth rule, etc.
生动有趣的事实说明，生命科学中的一些生命活动问题可以归结为数学问题，如遗传规律，人口增长规律等。
Conclusion spatial semivariogram models of human population genetic structure can effectively reveal the spatial structure of the population genetic structure.
结论人类群体遗传空间结构异质性变异函数模型可以揭示人类群体遗传空间结构特征。
It is closely related with population genetic structure, environment heterogeneity and song learning.
它不仅与种群的遗传有关，而且与环境的异质性以及鸣声学习有关。
It is closely related with population genetic structure, environment heterogeneity and song learning.
它不仅与种群的遗传有关，而且与环境的异质性以及鸣声学习有关。
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