diallel

简明释义

英[/daɪˈæl.əl/]美[/daɪˈæl.əl/]

adj. 双列的；异雄同雌的；双重的

英英释义

单词用法

同义词

反义词

例句

1.The gene effects of ear length, ear thickness, kernel rows per ear, hundred-grain-weight(H. G. W. ) and grain weight per plant were analyzed in a set of diallel crosses which involved 8 parents.

由8个亲本组成的双列杂交试验，分析了穗长、穗粗、穗行数、百粒重、单株籽粒产量的基因效应。

2.Two genetic models are proposed for analyzing experimental data from diallel crosses.

本文提出了分析双列杂交试验资料的两个遗传模型。

3.Heterosis of seed yield and its components of 66 crosses, from a diallel cross design of 12 parental varieties of Brassica napus L. were studied.

应用双列杂交设计，研究了遗传来源不同的12个甘蓝型油菜品种间66个双列组合的单株籽粒产量及产量性状的杂种优势。

4.Genotype difference and combing ability of barley anther culture response were investigated by the way of circulated partial diallel crossing.

用轮回式部分双列杂交法对大麦花药离体培养力进行基因型差异及配合力分析。

5.Genotype difference and combing ability of barley anther culture response was investigated by the way of circulated partial diallel crossing.

用轮回式部分双列杂交法对大麦花药离体培养力进行基因型差异及配合力分析。

6.Incomplete diallel crosses were made ir an experiment with bivoltine RACES of silkworm (Bombyxmori) to study the genetic effects of six quantitative characters.

本文以二化性品种为材料，采用不完全双列杂交法分析家蚕部分数量性状的遗传效应。

7.The gene effects of ear length, ear thickness, kernel rows per ear, hundred-grain-weight(H. G. W. ) and grain weight per plant were analyzed in a set of diallel crosses which involved 8 parents.

由8个亲本组成的双列杂交试验，分析了穗长、穗粗、穗行数、百粒重、单株籽粒产量的基因效应。

8.A complete diallel cross (no reciprocal hybrid) was made using 5 wheat mutants with distinctive characters.

本试验选用5个性状各有特色的小麦优异突变体进行完全双列杂交(无反交)。

9.A complete diallel 杂交 design includes all possible crosses between selected parents.

一个完整的 diallel 杂交 设计包括所选亲本之间的所有可能交叉。

10.Researchers used a diallel 杂交 analysis to assess the yield potential of various wheat varieties.

研究人员使用 diallel 杂交 分析来评估各种小麦品种的产量潜力。

11.The diallel 杂交 method is often used in breeding programs to evaluate traits like disease resistance.

在育种计划中，diallel 杂交 方法常用于评估如抗病性等特征。

12.In plant genetics, a diallel 杂交 study can help determine the combining ability of different strains.

在植物遗传学中，diallel 杂交 研究可以帮助确定不同品种的组合能力。

13.The results from the diallel 杂交 experiment indicated significant genetic variance among the hybrids.

来自 diallel 杂交 实验的结果表明杂交种之间存在显著的遗传变异。

作文

In the field of genetics, the term diallel refers to a specific breeding design that is used to analyze the inheritance of traits. This method involves crossing multiple parent strains with one another to produce offspring, allowing researchers to study the genetic contributions of each parent. The concept of diallel crosses is particularly important because it provides insights into the interactions between different genes and how they affect phenotypic expression. By employing a diallel approach, scientists can determine the dominance relationships among alleles and identify which combinations yield the most favorable traits.For example, in agriculture, plant breeders often utilize diallel crosses to develop new crop varieties that are more resistant to diseases or have higher yields. By systematically crossing different parent plants, breeders can evaluate the performance of their offspring and select the best candidates for further development. This process not only accelerates the breeding cycle but also enhances the genetic diversity of the resulting crops.Moreover, the analysis of diallel data can reveal important information about the heritability of certain traits. Heritability is a measure of how much of the variation in a trait can be attributed to genetic factors as opposed to environmental influences. In a diallel study, researchers can estimate the additive and non-additive genetic effects, which are crucial for understanding how traits are passed from one generation to the next.In addition to its applications in agriculture, the diallel design is also used in animal breeding and conservation efforts. For instance, wildlife biologists may employ diallel crosses to study the genetic diversity within endangered species. By analyzing the offspring produced from different pairings, researchers can assess the genetic health of populations and make informed decisions about breeding programs aimed at preserving biodiversity.Furthermore, the diallel method is not limited to agricultural or ecological studies; it also has implications in human genetics. Understanding how genes interact through diallel designs can help researchers identify genetic predispositions to certain diseases or conditions. By examining the offspring of various parental combinations, scientists can gain a deeper understanding of complex traits influenced by multiple genes.In conclusion, the concept of diallel is a powerful tool in the realm of genetics. It allows for the systematic exploration of genetic interactions and inheritance patterns, making it invaluable for breeders, conservationists, and medical researchers alike. As we continue to advance our understanding of genetics, the diallel approach will undoubtedly play a critical role in shaping the future of agriculture, wildlife conservation, and healthcare. Its ability to illuminate the complexities of genetic inheritance ensures that diallel studies will remain a cornerstone of genetic research for years to come.

在遗传学领域，术语diallel指的是一种特定的育种设计，用于分析性状的遗传。这种方法涉及将多个亲本交叉，以产生后代，使研究人员能够研究每个亲本的遗传贡献。diallel交叉的概念尤其重要，因为它提供了不同基因之间相互作用的见解，以及它们如何影响表型表现。通过采用diallel方法，科学家可以确定等位基因之间的显性关系，并识别哪些组合产生最有利的性状。例如，在农业中，植物育种者经常利用diallel交叉来开发更具抗病性或更高产量的新作物品种。通过系统地交叉不同的亲本植物，育种者可以评估后代的表现，并选择最佳候选者进行进一步开发。这个过程不仅加快了育种周期，还增强了所产生作物的遗传多样性。此外，diallel数据的分析可以揭示某些性状的遗传力的重要信息。遗传力是衡量某一性状变异有多少可以归因于遗传因素而不是环境影响的指标。在diallel研究中，研究人员可以估计加性和非加性遗传效应，这对于理解性状如何从一代传递到下一代至关重要。除了在农业中的应用外，diallel设计还用于动物育种和保护工作。例如，野生动物生物学家可能会采用diallel交叉来研究濒危物种的遗传多样性。通过分析不同配对产生的后代，研究人员可以评估种群的遗传健康，并就旨在保护生物多样性的育种项目做出明智的决策。此外，diallel方法不仅限于农业或生态研究；它在人类遗传学中也具有重要意义。通过diallel设计了解基因如何相互作用，可以帮助研究人员识别某些疾病或状况的遗传倾向。通过检查各种亲本组合的后代，科学家可以更深入地理解受多个基因影响的复杂性状。总之，diallel的概念在遗传学领域是一种强大的工具。它允许系统探索遗传相互作用和遗传模式，对于育种者、保护主义者和医学研究人员来说都是不可或缺的。随着我们继续推进对遗传学的理解，diallel方法无疑将在塑造农业、野生动物保护和医疗保健的未来中发挥关键作用。它揭示遗传继承复杂性的能力确保了diallel研究将在未来多年内保持遗传研究的基石。