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当可获得亲本和子代的观测数据时,用于估计遗传力的实验设计。

Design of experiments to estimate heritability when observations are available on parents and offspring.

作者信息

Thompson R

出版信息

Biometrics. 1976 Jun;32(2):283-304.

PMID:953131
Abstract

The design of experiments to estimate heritability when data are available on both parents and offspring and the offspring data have a hierarchical structure is considered. Univariate maximum likelihood (ML) estimation is discussed, and extensions to the multivariate case are outlined. The efficiency of ML estimation is evaluated in cases where simple regression estimators are available. Optimum designs for ML estimation are given when various strategies of selecting and mating are followed. The variance of the heritability estimate can be approximately halved relative to designs in which no selection of parents is done.

摘要

本文考虑了在父母和后代数据均可用且后代数据具有层次结构时,用于估计遗传力的实验设计。讨论了单变量最大似然(ML)估计,并概述了向多变量情况的扩展。在存在简单回归估计量的情况下,评估了ML估计的效率。给出了遵循各种选择和交配策略时ML估计的最优设计。相对于不进行亲本选择的设计,遗传力估计的方差可大约减半。

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引用本文的文献

1
Design of multivariate selection experiments to estimate genetic parameters.多元选择实验设计以估计遗传参数。
Theor Appl Genet. 1986 Jul;72(4):466-76. doi: 10.1007/BF00289528.
2
Selection of sires to reduce sampling variance in the estimates of heritability by half-sib correlation.通过半同胞相关来选择父本来将遗传力估计的抽样方差减半。
Theor Appl Genet. 1991 May;81(5):624-8. doi: 10.1007/BF00226728.
3
Estimation of genetic covariance from joint offspring-parent and sib-sib statistics.从联合后代-父母和同胞-同胞统计数据估计遗传协方差。
Genetics. 1979 Dec;93(4):1039-49. doi: 10.1093/genetics/93.4.1039.
4
Estimation of quantitative genetic parameters.数量遗传参数的估计
Philos Trans R Soc Lond B Biol Sci. 2005 Jul 29;360(1459):1469-77. doi: 10.1098/rstb.2005.1676.