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Heritable variation and evolution under favourable and unfavourable conditions
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Evolutionary Biology, Population Biology.
1999 (English)In: Trends in Ecology & Evolution, ISSN 0169-5347, E-ISSN 1872-8383, Vol. 14, no 3, 96-101 p.Article, book review (Refereed) Published
Abstract [en]

Genetic variability in quantitative traits can change as a direct response to the environmental conditions in which they are expressed. Consequently, similar selection in different environments might not be equally effective in leading to adaptation. Several hypotheses, including recent ones that focus on the historical impact of selection on populations, predict that the expression of genetic variation will increase in unfavourable conditions. However, other hypotheses lead to the opposite prediction. Although a consensus is unlikely, recent Drosophila and bird studies suggest consistent trends for morphological traits under particular conditions.

Place, publisher, year, edition, pages
1999. Vol. 14, no 3, 96-101 p.
Keyword [en]
additive genetic variance, evolutionary genetics, heritable variation, genetic variation, genotype-environment interaction, heritability, quantitative genetics
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-78708DOI: 10.1016/S0169-5347(99)01595-5OAI: oai:DiVA.org:uu-78708DiVA: diva2:106621

Addresses: Hoffmann AA, La Trobe Univ, Dept Biochem & Genet, Evolutionary Biol Unit, Bundoora, Vic 3083, Australia. La Trobe Univ, Dept Biochem & Genet, Evolutionary Biol Unit, Bundoora, Vic 3083, Australia. Uppsala Univ, Dept Zool, Sect Populat Biol, S-7

Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2013-10-08Bibliographically approved

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