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Evolutionary Quantitative Genetics: How Little Do We Know?

Evolutionary Quantitative Genetics: How Little Do We Know? The centenary of Galton 's (84) "Natural Inheritance" emphasizes the continu­ ity between the ideas of the early pioneers and the modem renaissance of evolutionary quantitative genetics ( 142). Many questions posed by Galton, Weldon, and Pearson remain only partially answered. Weldon (248) asserted that "the problem of animal evolution is essentially a statistical problem," and argued that legitimate conjectures on macroevolution must be based on understanding the factors shaping microevolution: variation , selection , and heredity. As he not,�d, this demands statistical analysis of phenotypic varia­ tion (including both variances and correlations) , of fitness as a function of phenotype, and of the similarities between parents and offspring. His call, in 1893 , for additional empirical studies of selection in the wild was repeated by Endler in 1986 . In his first statistical analyses of multiple characters, Weldon (247, 248) asked whether phenotypic correlations an<t variances from one population were applicable to others. Like Lofsvold ( 1 56) and Kohn & Atchley ( 129), he l'ound that correlations were relatively constant, but vari­ ances were not. This question of relative constancy of quantitative genetic parameters remains central to evaluations of macroevolutionary analyses that assume constant genetic parameters http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Genetics Annual Reviews

Evolutionary Quantitative Genetics: How Little Do We Know?

Annual Review of Genetics , Volume 23 (1) – Dec 1, 1989

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References (91)

Publisher
Annual Reviews
Copyright
Copyright 1989 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
0066-4197
eISSN
1545-2948
DOI
10.1146/annurev.ge.23.120189.002005
pmid
2694935
Publisher site
See Article on Publisher Site

Abstract

The centenary of Galton 's (84) "Natural Inheritance" emphasizes the continu­ ity between the ideas of the early pioneers and the modem renaissance of evolutionary quantitative genetics ( 142). Many questions posed by Galton, Weldon, and Pearson remain only partially answered. Weldon (248) asserted that "the problem of animal evolution is essentially a statistical problem," and argued that legitimate conjectures on macroevolution must be based on understanding the factors shaping microevolution: variation , selection , and heredity. As he not,�d, this demands statistical analysis of phenotypic varia­ tion (including both variances and correlations) , of fitness as a function of phenotype, and of the similarities between parents and offspring. His call, in 1893 , for additional empirical studies of selection in the wild was repeated by Endler in 1986 . In his first statistical analyses of multiple characters, Weldon (247, 248) asked whether phenotypic correlations an<t variances from one population were applicable to others. Like Lofsvold ( 1 56) and Kohn & Atchley ( 129), he l'ound that correlations were relatively constant, but vari­ ances were not. This question of relative constancy of quantitative genetic parameters remains central to evaluations of macroevolutionary analyses that assume constant genetic parameters

Journal

Annual Review of GeneticsAnnual Reviews

Published: Dec 1, 1989

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