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Journal ArticleDOI

The sampling variance of the genetic correlation coefficient

Alan Robertson
- 01 Sep 1959 - 
- Vol. 15, Iss: 3, pp 469
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This article is published in Biometrics.The article was published on 1959-09-01. It has received 1051 citations till now. The article focuses on the topics: Explained variation & Variance inflation factor.

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Journal ArticleDOI

Genotype-environment interaction and the evolution of phenotypic plasticity.

TL;DR: These models utilize the statistical relationship which exists between genotype‐environment interaction and genetic correlation to describe evolution of the mean phenotype under soft and hard selection in coarse‐grained environments.
Journal ArticleDOI

Genotype × environment interactions

TL;DR: There are now many reports of the magnitude of genetic correlation between environments for characters of economic importance in cattle, sheep, pigs and particularly poultry and the correlations do not deviate so far from I as was perhaps originally suspected.
Book ChapterDOI

Agriculture, Forestry and Fisheries

TL;DR: In this paper, the authors focus on the role of agriculture and fishing in the European level in the Common Agricultural Policy (CAP) and Common Fisheries Policy (CFP) and show that agriculture dominates in terms of direct contribution to GDP and numbers of people engaged in it, as well as accounting for the largest amount of public support expenditure.
Journal ArticleDOI

The evolution of host specialization : are trade-offs overrated?

TL;DR: It is shown that crossing of reaction norms for fitness is a sufficient condition for selection to favor specialized host choice, in the absence of search costs and other disadvantages of specialization.
References
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Journal ArticleDOI

The Problem of Environment and Selection

TL;DR: Formulation of the genotype-environment interaction in terms of a genetic correlation leads easily to a solution of problems connected with selection and a precise answer can be given to the question whether it is better to carry out selection in the environment in which the improved breed is required eventually to live, or in some other environment more favorable to the expression of the desired character.
Journal ArticleDOI

Optimum Group Size in Progeny Testing and Family Selection

Alan Robertson
- 01 Dec 1957 - 
TL;DR: In this paper, the question "How many progeny do I need to test a sire adequately?" is put in a form to which a useful solution is possible, by making the content of the question a little more practical and precise.