A genetic basis behind combining ability and breeding values in mono- and di-genic systems

Arunachalam, V. (1995) A genetic basis behind combining ability and breeding values in mono- and di-genic systems Biometrical Journal, 37 (2). pp. 217-228. ISSN 0323-3847

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Official URL: http://www3.interscience.wiley.com/journal/1140770...

Related URL: http://dx.doi.org/10.1002/bimj.4710370214

Abstract

Combining ability and breeding values are concepts of crucial importance in practical breeding. However, in early literature, methods of partitioning the genetic value into additive and dominance effects were described mostly in single gene and under random mating. Though average effect and average excess of gene substitution were defined by Fisher and a practial method of obtaining breeding values outlined by Falconer, concerted attempts are scarce in integrating the concepts of combining ability, breeding value and additive effects. Only a few workers have reported the values of those parameters for inbred populations while published reports on those effects in digenic systems with linkage appear to be not readily available. Practical breeders continue to use those concepts as if they were independent. This paper is therefore an attempt at filling the research gaps and setting those concepts in proper practical perspective.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons, Inc.
Keywords:General Combining Ability; Breeding Value; Additive Effect; Dominance Deviations; Linked Genes; Additive Genetic Variance
ID Code:822
Deposited On:25 Sep 2010 04:39
Last Modified:13 May 2011 07:50

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