THEORY FOR MODELING MEANS AND COVARIANCES IN A 2-BREED POPULATION WITH DOMINANCE INHERITANCE

被引：29

作者：

LO, LL ^{[1
]}

FERNANDO, RL ^{[1
]}

CANTET, RJC ^{[1
]}

GROSSMAN, M ^{[1
]}

机构：

[1] UNIV ILLINOIS,DEPT ANIM SCI,URBANA,IL 61801

来源：

THEORETICAL AND APPLIED GENETICS | 1995年 / 90卷 / 01期

关键词：

COVARIANCE BETWEEN RELATIVES; DOMINANCE MODEL; RECURSION; 2-BREED POPULATION;

D O I：

10.1007/BF00220995

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

This paper presents theory and methods to compute genotypic means and covariances in a two-breed population under dominance inheritance, assuming multiple unlinked loci. It is shown that the genotypic mean is a linear function of five location parameters and that the genotypic covariance between relatives is a linear function of 25 dispersion parameters. Recursive procedures are given to compute the necessary identity coefficients. In the absence of inbreeding, the number of parameters for the mean is reduced from five to three and the number for the covariance is reduced from 25 to 12. In a two-breed population, for traits exhibiting dominance, the theory presented here can be used to obtain genetic evaluations by best linear unbiased prediction and to estimate genetic parameters by maximum likelihood.

引用

页码：49 / 62

页数：14

共 21 条

[1] GENETIC EVALUATION METHODS FOR POPULATIONS WITH DOMINANCE AND INBREEDING [J].