epistasis

简明释义

英[ɪˈpɪstəsɪs]美[ɪˈpɪstəsɪs]

n. [遗] 异位显性

复 数 e p i s t a s e s

英英释义

单词用法

同义词

反义词

例句

1.Then, the main approaches and their softwares for GWAS in plants were reviewed, including a single-locus model, a multi-locus model, epistasis, and multiple correlated traits.

其次， 重点介绍了单位点关联分析、多位点关联分析、上位性和多性状关联分析方法及其软件包；

2.Then, the main approaches and their softwares for GWAS in plants were reviewed, including a single-locus model, a multi-locus model, epistasis, and multiple correlated traits.

其次， 重点介绍了单位点关联分析、多位点关联分析、上位性和多性状关联分析方法及其软件包；

3.The paper introduces the breeding methods of the homozygous two-type line, temporary maintainer line and complete sterile line with a recessive epistasis nuclear male sterile.

对甘蓝型油菜隐性上位细胞核雄性不育纯合两型系、临保系和全不育系的转育方法进行了介绍。

4.The goodness of fit test of genetic model was significant, indicated that besides additive-dominance, other factors, such as epistasis, might affect grain plumpness.

一些组合的遗传模型的离回归测验显著，表明除了基因的加性-显性作用外，还有一些因子对充实度有影响。

5.The accumulated contribution of digenic epistasis on AC and PC were 66.74%, 57.49% under non-stress condition and 48.65%, 36.59% under water stress condition.

互作位点对直链淀粉和蛋白质含量的联合贡献率在正常水分条件下分别为66.74％和57.49％，在胁迫条件下分别为48.65％和36.59％。

6.The goal of this unit is to introduce gene-gene interactions (epistasis) as a significant complicating factor in the search for disease susceptibility genes.

这一单元的目的是介绍基因-基因相互作用(上位性)作为疾病易患基因研究中的一个显著的并发因素。

7.These were controlled by multiple allels or by loci with allels that segregate independently whereby epistasis also may have played a role.

这些是受复等位基因或含分离等位基因的位点支配的，上位性也可能靠它而起了作用。

8.More processing will be done with the data in epistasis software.

在上位机软件中再对数据进行其他的处理。

9.Epistasis was detected for the primary branch.

一次支梗数表现有明显的上位性效应。

10.The accumulated contribution of digenic epistasis on AC and PC were 66.74%, 57.49% under non-stress condition.

互作位点对直链淀粉和蛋白质含量的联合贡献率在正常水分条件下分别为66.74％。

11.In genetics, epistasis refers to the interaction between genes where one gene masks or modifies the expression of another.

在遗传学中，表观遗传指的是基因之间的相互作用，其中一个基因掩盖或修饰另一个基因的表达。

12.The study of epistasis is crucial for understanding complex traits in organisms.

研究表观遗传对于理解生物体中的复杂性状至关重要。

13.Researchers found that epistasis can significantly affect the phenotypic outcome of certain genetic combinations.

研究人员发现，表观遗传可以显著影响某些基因组合的表型结果。

14.In a classic example, the interaction between two genes can lead to a phenotype that is not predictable from the individual effects of each gene, demonstrating epistasis.

在一个经典的例子中，两个基因之间的相互作用可能导致一种无法从每个基因的单独效应中预测的表型，展示了表观遗传。

15.Understanding epistasis can help scientists predict how traits are inherited across generations.

理解表观遗传可以帮助科学家预测性状如何在几代人中遗传。

作文

In the field of genetics, the term epistasis refers to the interaction between different genes, where the effect of one gene is modified by one or several other genes. This phenomenon is crucial for understanding complex traits and diseases in organisms. For instance, when studying the inheritance patterns of certain traits in plants or animals, researchers often find that the expression of a trait is not solely determined by a single gene but is influenced by multiple genes working together. This interplay can complicate predictions about inheritance and phenotypic expression. The concept of epistasis is essential in the study of genetic pathways and networks. It challenges the classical Mendelian view of inheritance, which typically considers genes in isolation. Instead, epistasis emphasizes the importance of gene interactions, suggesting that the phenotype of an organism results from a combination of genetic inputs rather than a straightforward sum of individual effects. For example, in the case of coat color in certain dog breeds, multiple genes may contribute to the final color, and the presence of one gene can suppress or enhance the expression of another gene's effect. Understanding epistasis can also shed light on the mechanisms behind various genetic disorders. Many conditions, such as diabetes or heart disease, do not follow simple inheritance patterns but are influenced by numerous genetic factors. By studying how these genes interact through epistasis, scientists can better understand the underlying biology of these diseases, potentially leading to more effective treatments or preventative strategies. Moreover, epistasis plays a significant role in evolution. The interactions between genes can affect an organism's fitness, thereby influencing natural selection. If a particular gene's effect is dependent on the presence of another gene, then the evolutionary trajectory of that trait may be altered. This means that the fitness advantage of a mutation may not be apparent until it interacts with other genetic factors. Thus, the study of epistasis can provide insights into how complex traits evolve over time. In agricultural biotechnology, epistasis has practical applications as well. Plant breeders often utilize knowledge of gene interactions to develop crops with desirable traits, such as increased yield or resistance to pests. By understanding how different genes influence one another, breeders can make more informed decisions about which plants to cross to achieve specific outcomes. This is particularly important in the context of food security, as developing resilient crops is essential for meeting the demands of a growing population. In conclusion, epistasis is a fundamental concept in genetics that highlights the complexity of gene interactions and their implications for traits, diseases, evolution, and biotechnology. As research continues to uncover the nuances of epistasis, it will undoubtedly enhance our understanding of biological systems and improve our ability to manipulate genetic factors for various applications. The exploration of epistasis not only deepens our comprehension of heredity but also opens new avenues for scientific discovery and innovation in medicine and agriculture.

在遗传学领域，术语表型互作指的是不同基因之间的相互作用，其中一个基因的效应被一个或多个其他基因所修饰。这一现象对于理解生物体的复杂性状和疾病至关重要。例如，在研究某些性状在植物或动物中的遗传模式时，研究人员常常发现，性状的表现并不是单一基因所决定的，而是受多个基因共同作用的影响。这种相互作用可能会使对遗传和表型表现的预测变得复杂。 表型互作的概念在基因通路和网络的研究中至关重要。它挑战了经典孟德尔的遗传观，后者通常将基因视为孤立的个体。相反，表型互作强调基因相互作用的重要性，表明生物体的表型是多种遗传输入的组合，而不是单个效应的简单总和。例如，在某些犬种的毛色案例中，多个基因可能共同影响最终的颜色，而一个基因的存在可以抑制或增强另一个基因效应的表现。 理解表型互作也可以揭示各种遗传疾病背后的机制。许多疾病，如糖尿病或心脏病，并不遵循简单的遗传模式，而是受到众多遗传因素的影响。通过研究这些基因如何通过表型互作相互作用，科学家们可以更好地理解这些疾病的基础生物学，进而可能导致更有效的治疗或预防策略。 此外，表型互作在进化中也发挥着重要作用。基因之间的相互作用可以影响生物体的适应性，从而影响自然选择。如果一个基因的效应依赖于另一个基因的存在，那么该性状的进化轨迹可能会发生变化。这意味着突变的适应优势可能只有在与其他遗传因素相互作用时才显现出来。因此，表型互作的研究可以提供关于复杂性状如何随时间演化的见解。 在农业生物技术中，表型互作也有实际应用。植物育种者常常利用基因相互作用的知识来开发具有理想性状的作物，例如提高产量或抵抗害虫。通过理解不同基因之间的影响，育种者可以在交配时做出更明智的决定，以实现特定结果。这在食品安全的背景下尤为重要，因为开发抗逆作物对于满足日益增长的人口需求至关重要。 总之，表型互作是遗传学中的一个基本概念，突显了基因相互作用的复杂性及其对性状、疾病、进化和生物技术的影响。随着研究不断揭示表型互作的细微差别，它无疑会增强我们对生物系统的理解，并改善我们操控遗传因素以用于各种应用的能力。对表型互作的探索不仅加深了我们对遗传的理解，也为医学和农业中的科学发现和创新开辟了新的途径。