SGER: The Evolutionary Genetics of Avian Choice Behavior

SGER：鸟类选择行为的进化遗传学

• 批准号: 0130027
• 负责人: David Stephens
• 金额: $ 3.45万
• 依托单位: University of Minnesota-Twin Cities
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-09-15 至 2003-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0130027&HistoricalAwards=false
• 关键词: SGER; Evolutionary; Genetics; Avian; Choice

SGER: The evolutionary genetics of avian choice behaviorDavid W. StephensUniversity of MinnesotaLay AbstractThis project explores the feasibility of genetic studies of avian choice behavior. The project has two key goals. First, it will develop a system for testing the choice behavior of Coturnix quail that will allow the investigators to efficiently assay several aspects of choice behavior, such as how quickly food preferences develop, and how sensitive preferences are to differences in the timing and amount of food reward. The second goal of this project is to make preliminary estimates of the heritability of, and correlations between preference traits. These estimates will be made by comparing the measured "preference traits" of related individuals. In this study we will test half-sib families, that is, family groups in which a given pair of quail has the same father, but different mothers. This method allows us to exclude possible maternal effects. The resulting genetic estimates will allow us to make predictions about how choice behavior should respond to natural or artificial selection. Genetic correlations between traits provide information about the extent to which the different aspects of choice behavior are influenced by the same genes.

鸟类选择行为的进化遗传学。摘要本项目旨在探索鸟类选择行为遗传学研究的可行性。 该项目有两个主要目标。 首先，它将开发一个系统来测试鹌鹑的选择行为，这将使研究人员能够有效地分析选择行为的几个方面，例如食物偏好的发展速度，以及偏好对食物奖励的时间和数量的差异有多敏感。 本项目的第二个目标是对偏好性状的遗传力和偏好性状之间的相关性进行初步估计。 这些估计将通过比较相关个体的测量“偏好特质”来进行。 在这项研究中，我们将测试半同胞家庭，也就是说，家庭群体中，一对给定的鹌鹑有相同的父亲，但不同的母亲。 这种方法使我们能够排除可能的母体效应。 由此产生的遗传估计将使我们能够预测选择行为对自然或人工选择的反应。 性状之间的遗传相关性提供了关于选择行为的不同方面受到相同基因影响的程度的信息。