epistatic

简明释义

英[ˌepɪˈstætɪk]美[epəˈstætɪk]

adj. [遗] 上位的，强性的

英英释义

单词用法

同义词

反义词

例句

1.Extreme lumber disc herniation mainly showed radiating pain of sciatic nerve, besides slight lumbago, negative Bragards test and location sign of pressure epistatic or inferiority nerve root.

腰椎极外侧椎间盘突出，以坐骨神经放射痛为主，腰痛轻微、抬腿试验可以阴性，可有上位或下位神经根受压定位体征；

2.The dark-hair genes are epistatic to the red hair locus .

黑发基因对于红发基因位点来说是上位遗传的。

3.This is called an epistatic interaction.

这称为上位相互作用。

4.GF vs WF had difference in three genes, and the G gene had epistatic effect, one W was enough to restrain the express of YF and WF.

绿色对白色有三对基因差异，其中绿色基因有显性上位作用，只需一个绿色基因G存在，即可抑制淡黄色与白色性状的表达。

5.The interaction effects influenced the direct effects. 3. The drought tolerance related traits were determined not only by both additive QTLs and epistatic QTLs.

小麦幼苗抗旱相关性状以及平均隶属函数值受加性效应QTL和上位性效应QTL共同作用。

6.The other 35.3 per cent QTLs did not have any significant additive effects of their own but were also involved in epistatic interactions.

其它35.3%的QTL没有本身的加性效应，却参与了上位性互作，这些位点可能通过诱发和修饰其它位点而起作用。

7.The genetic behavior of recessive epistatic GMS is discussed.

同时对隐性上位核不育的遗传行为方式进行了讨论。

8.In genetic research, the interaction between genes can often be described as epistatic 上位效应的, where one gene's expression overrides that of another.

在遗传研究中，基因之间的相互作用通常可以描述为上位效应的，其中一个基因的表达覆盖另一个基因。

9.The epistatic 上位效应的 relationship between these two mutations significantly affects the phenotype of the organism.

这两个突变之间的上位效应的关系显著影响了生物体的表型。

10.Researchers found that the epistatic 上位效应的 interaction was crucial for the development of certain traits in plants.

研究人员发现，这种上位效应的相互作用对植物某些性状的发展至关重要。

11.Understanding epistatic 上位效应的 interactions can help in predicting genetic outcomes in breeding programs.

理解上位效应的相互作用可以帮助预测育种计划中的遗传结果。

12.The study highlighted the importance of epistatic 上位效应的 interactions in the evolution of complex traits.

该研究强调了上位效应的相互作用在复杂性状进化中的重要性。

作文

In the field of genetics, understanding the interactions between different genes is crucial for unraveling the complexities of inheritance and phenotypic expression. One important concept in this realm is that of epistatic (显性基因的) interactions, which refer to the phenomenon where the effect of one gene is suppressed or modified by one or more other genes. This interaction can significantly influence the traits expressed in an organism, making it a vital area of study for geneticists and biologists alike. To illustrate the concept of epistatic interactions, consider the classic example of coat color in Labrador Retrievers. The coat color of these dogs is determined by two different genes: one gene (B) controls the production of black pigment, while another gene (E) determines whether the pigment will be deposited in the fur. If a dog has at least one dominant allele for the E gene (E), it can express either black or brown fur depending on the B gene. However, if the dog is homozygous recessive for the E gene (ee), it will be yellow regardless of the B gene's alleles. In this case, the E gene is said to be epistatic (显性基因的) to the B gene, as it masks the expression of the B gene's effects. The implications of epistatic (显性基因的) interactions extend beyond mere coloration in animals. They play a critical role in various biological processes, including disease susceptibility, drug response, and even evolutionary adaptations. For instance, certain combinations of alleles may confer resistance to diseases, while others may predispose individuals to specific health conditions. Understanding these interactions can aid in developing targeted therapies and improving health outcomes. Moreover, epistatic (显性基因的) relationships can complicate genetic studies and breeding programs. When attempting to predict the inheritance of traits, the presence of epistatic (显性基因的) interactions can lead to unexpected results. This complexity necessitates a comprehensive approach to genetic analysis, incorporating not only single-gene effects but also the intricate web of interactions that govern trait expression. In conclusion, the study of epistatic (显性基因的) interactions is essential for a deeper understanding of genetics and its applications. As researchers continue to explore the vast landscape of gene interactions, the knowledge gained will undoubtedly enhance our ability to manipulate genetic outcomes in agriculture, medicine, and conservation efforts. Embracing the complexity of these interactions will pave the way for innovative solutions to some of the most pressing challenges in biology today.

在遗传学领域，理解不同基因之间的相互作用对于揭示继承和表型表达的复杂性至关重要。一个重要的概念是显性基因的相互作用，它指的是一个基因的效应被一个或多个其他基因抑制或修饰的现象。这种相互作用可以显著影响生物体所表现出的特征，使其成为遗传学家和生物学家研究的重要领域。 为了说明显性基因的相互作用的概念，可以考虑拉布拉多犬毛色的经典例子。这些狗的毛色由两个不同的基因决定：一个基因（B）控制黑色素的产生，而另一个基因（E）决定是否将色素沉积在毛发中。如果一只狗至少有一个显性等位基因E（E），它可以根据B基因表现出黑色或棕色的毛发。然而，如果这只狗在E基因上是纯合隐性（ee），那么无论B基因的等位基因是什么，它都会是黄色。在这种情况下，E基因被称为对B基因具有显性基因的作用，因为它掩盖了B基因效应的表现。 显性基因的相互作用的影响不仅限于动物的颜色。它们在各种生物过程中发挥着关键作用，包括疾病易感性、药物反应，甚至是进化适应。例如，某些等位基因组合可能赋予对疾病的抵抗力，而其他则可能使个体易患特定健康状况。理解这些相互作用可以帮助开发针对性的治疗方案并改善健康结果。 此外，显性基因的关系可能会使遗传研究和育种计划变得复杂。在试图预测特征的遗传时，显性基因的相互作用的存在可能导致意想不到的结果。这种复杂性需要一种综合的遗传分析方法，不仅要考虑单基因效应，还要考虑支配特征表达的复杂相互作用网络。 总之，研究显性基因的相互作用对于深入理解遗传学及其应用至关重要。随着研究人员继续探索基因相互作用的广阔领域，获得的知识无疑将增强我们在农业、医学和保护工作中操控遗传结果的能力。拥抱这些相互作用的复杂性将为解决当今生物学中一些最紧迫的挑战铺平道路。