Title
Relationship between canalization and developmental stability of foetal rabbit limbs in two reproductive toxicological experimentsRelationship between canalization and developmental stability of foetal rabbit limbs in two reproductive toxicological experiments
Author
Faculty/Department
Faculty of Sciences. Biology
Research group
Evolutionary ecology group (EVECO)
Publication type
article
Publication
London,
Subject
Biology
Source (journal)
Biological journal of the Linnean Society. - London
Volume/pages
109(2013):2, p. 434-440
ISSN
0024-4066
ISI
000318809500015
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The mechanisms of developmental buffering and its relevance to the evolutionary process have recently attracted a lot of attention in both developmental and evolutionary biology. Among other things, whether the two components of developmental buffering [i.e. canalization and developmental stability (DS)] have a common basis has long been the subject of debate. In the present study, we examine the association between fluctuating asymmetry (i.e. the directionally random asymmetry of bilateral structures), a measure of DS, and between-individual variation of long bones in over 1000 rabbit foetuses. The lack of correlations between fluctuating asymmetry and between-individual variation at the individual, litter and treatment level, in combination with the absence of correspondence among covariance matrices, supports distinct developmental mechanisms for DS and canalization. We discuss our results in the context of recent insights into the mechanisms of developmental buffering.
E-info
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