Titre
An evolutionary quantitative genetics model for phenotypic (co)variances under limited dispersal, with an application to socially synergistic traits.
Type
article
Institution
UNIL/CHUV/Unisanté + institutions partenaires
Auteur(s)
Mullon, C.
Auteure/Auteur
Lehmann, L.
Auteure/Auteur
Liens vers les personnes
Liens vers les unités
ISSN
1558-5646
Statut éditorial
Publié
Date de publication
2019-09
Volume
73
Numéro
9
Première page
1695
Dernière page/numéro d’article
1728
Peer-reviewed
Oui
Langue
anglais
Notes
Publication types: Journal Article
Publication Status: ppublish
Publication Status: ppublish
Résumé
Darwinian evolution consists of the gradual transformation of heritable traits due to natural selection and the input of random variation by mutation. Here, we use a quantitative genetics approach to investigate the coevolution of multiple quantitative traits under selection, mutation, and limited dispersal. We track the dynamics of trait means and of variance-covariances between traits that experience frequency-dependent selection. Assuming a multivariate-normal trait distribution, we recover classical dynamics of quantitative genetics, as well as stability and evolutionary branching conditions of invasion analyses, except that due to limited dispersal, selection depends on indirect fitness effects and relatedness. In particular, correlational selection that associates different traits within-individuals depends on the fitness effects of such associations between-individuals. We find that these kin selection effects can be as relevant as pleiotropy for the evolution of correlation between traits. We illustrate this with an example of the coevolution of two social traits whose association within-individuals is costly but synergistically beneficial between-individuals. As dispersal becomes limited and relatedness increases, associations between-traits between-individuals become increasingly targeted by correlational selection. Consequently, the trait distribution goes from being bimodal with a negative correlation under panmixia to unimodal with a positive correlation under limited dispersal.
PID Serval
serval:BIB_74229BFDD758
PMID
Date de création
2019-08-04T13:52:50.317Z
Date de création dans IRIS
2025-05-20T23:04:41Z
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Nom
19QuantKin.pdf
Version du manuscrit
preprint
Taille
1.4 MB
Format
Adobe PDF
PID Serval
serval:BIB_74229BFDD758.P001
URN
urn:nbn:ch:serval-BIB_74229BFDD7582
Somme de contrôle
(MD5):56ee2fc07e53205e53af0399b6a7c3f9