allele

简明释义

英[əˈliːl]美[əˈliːl]

n. 等位基因

n. （Allele）（阿拉伯、尼日尔）阿莱莱（人名）

英英释义

单词用法

同义词

反义词

例句

1.Only the patients carrying the allele M235T have correlation between genotype DD of ACE and preeclampsia.

ACE基因dd型与子痫前期的相关性限于携带有m 235t等位基因的患者。

2.Objective To investigate the HLA-DRB1 allele polymorphism in Fujian Han nationality population.

目的调查福建汉族人群HLA-DRB1等位基因的多态性。

3.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。

4.Instead, each allele of the gene sets out a series of probabilities.

此基因的等位基因有这一系列的可能性。

5.The scope of multiple allele genetic model hypotheses was also discussed.

有关复等位遗传模型假说的应用范围也做了初步讨论。

6.The risk gene divides the world into two camps ― those who have the FTO allele and those who don't.

这种风险基因将会把世界分为两大阵营——脂肪量和肥胖相关的变种基因携带者和未携带者。

7.The a allele frequency in patients with ACS was significantly higher and the a allele gene may be a risk factor for ACS.

说明ACS患者急性冠状动脉内血栓形成有遗传因素参与，而且A等位基因可能是ACS的一个危险因子。

8.An identical allele is quite common in modern European and Asian populations, but is absent in modern Africans.

该基因在现代欧洲与亚洲人的DNA中相当常见，而现代非洲人却没有。

9.The allele distribution varied in different RACES and population.

不同人群基因频率分布存在一定的差异。

10.In humans, the gene for eye color has multiple versions, with each version being an allele 等位基因.

在人类中，眼睛颜色的基因有多个版本，每个版本都是一个allele 等位基因。

11.An individual inherits one allele 等位基因 from each parent, making their genotype unique.

个体从每个父母那里继承一个allele 等位基因，使他们的基因型独特。

12.Scientists study the alleles 等位基因 responsible for certain traits to understand genetic diseases.

科学家研究负责某些性状的alleles 等位基因以了解遗传疾病。

13.Each allele 等位基因 can contribute to the phenotype, which is the observable expression of a trait.

每个allele 等位基因都可以对表型作出贡献，表型是性状的可观察表现。

14.The dominant allele 等位基因 can mask the effect of the recessive allele 等位基因 in a heterozygous genotype.

显性allele 等位基因可以掩盖在杂合基因型中隐性allele 等位基因的作用。

作文

In the realm of genetics, the concept of an allele (等位基因) plays a crucial role in understanding how traits are inherited from one generation to the next. An allele is a variant form of a gene that arises by mutation and is found at the same place on a chromosome. For instance, in humans, the gene that determines eye color has multiple alleles that can lead to different eye colors such as blue, brown, or green. The combination of these alleles inherited from our parents contributes to the unique traits that each individual possesses.The study of alleles is fundamental to the field of genetics, as it helps scientists understand genetic variation within populations. Each person inherits two alleles for each gene, one from each parent. These alleles can be either dominant or recessive. A dominant allele will mask the effect of a recessive allele when they are present together. For example, if the brown eye color allele is dominant over the blue eye color allele, a person with one brown allele and one blue allele will have brown eyes.The interaction between alleles is also important in the study of genetic disorders. Some diseases are caused by mutations in specific alleles. For example, cystic fibrosis is caused by a mutation in the CFTR gene, which has different alleles that can lead to the disease when inherited in a certain way. Understanding the role of alleles in such conditions allows researchers to develop targeted therapies and interventions.Furthermore, the concept of alleles extends beyond human genetics. In agriculture, plant and animal breeders utilize knowledge of alleles to enhance desirable traits in crops and livestock. By selecting for specific alleles, breeders can produce plants that are more resistant to diseases or animals that grow faster. This practice not only improves food security but also contributes to sustainable agricultural practices.Moreover, the study of alleles has implications for evolutionary biology. The frequency of different alleles in a population can provide insights into how species adapt to their environments over time. Natural selection acts on these alleles, favoring those that confer an advantage in survival and reproduction. As a result, the genetic diversity represented by various alleles is essential for the resilience of populations facing environmental changes.In conclusion, the term allele (等位基因) encompasses a vital aspect of genetics, influencing everything from individual traits to population dynamics. Understanding alleles is key to unraveling the complexities of heredity, disease, agriculture, and evolution. As research in genetics continues to advance, the importance of alleles will undoubtedly remain at the forefront of scientific inquiry, providing deeper insights into the biological processes that shape life on Earth.