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Coexistence of diploid and triploid hybrid water frogs: population differences persist in the apparent absence of differential survival


Christiansen, D G; Jakob, C; Arioli, M; Roetlisberger, S; Reyer, H U (2010). Coexistence of diploid and triploid hybrid water frogs: population differences persist in the apparent absence of differential survival. BMC Ecology, 10:14.

Abstract

The role of differential selection in determining the geographic distribution of genotypes in hybrid
systems has long been discussed, but not settled. The present study aims to asses the importance of selection in
structuring all-hybrid Pelophylax esculentus populations. These populations, in which the parental species (P. lessonae
with genotype LL and P. ridibundus with genotype RR) are absent, have pond-specific proportions of diploid (LR) and
triploid (LLR and LRR) genotypes.

The role of differential selection in determining the geographic distribution of genotypes in hybrid
systems has long been discussed, but not settled. The present study aims to asses the importance of selection in
structuring all-hybrid Pelophylax esculentus populations. These populations, in which the parental species (P. lessonae
with genotype LL and P. ridibundus with genotype RR) are absent, have pond-specific proportions of diploid (LR) and
triploid (LLR and LRR) genotypes.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Language:English
Date:27 May 2010
Deposited On:19 Jul 2010 13:16
Last Modified:05 Apr 2016 14:12
Publisher:BioMed Central
ISSN:1472-6785
Publisher DOI:10.1186/1472-6785-10-14
PubMed ID:20507575
Permanent URL: http://doi.org/10.5167/uzh-35127

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