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Viability,behavior,and color expression in the offspring of matings between common wall lizard Podarcis muralis color morphs

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Current Zoology 2022年第1期68卷 41-55页

作者： Javier ABALOS Guillem PEREZ I DE LANUZA Alicia BARTOLOME Fabien AUBRET Tobias ULLER Enrique FONT Ethology Lab Instituto Cavanilles de Biodiversidad y Biologı´a EvolutivaUniversitat de ValenciaValenciaSpain CIBIO/InBIO Centro de Investigacao em Biodiversidade e Recursos Geneticos da Universidade do PortoPortoPortugal SETE Station d’Ecologie Theorique et ExperimentaleUPR2001Centre National de la Recherche ScientifiqueParisFrance Department of Biology Lund UniversityLundSweden

Color polymorphisms are widely studied to identify the mechanisms responsible for the origin and maintenance of phenotypic variability in *** of the mechanisms of balancing selection currently thought to explain the long-term persistence of polymorphisms are the evolution of alternative phenotypic optima through correlational selection on suites of traits including color and *** of these mechanisms can generate differences in offspring viability and fitness arising from different morph ***,we examined the effect of parental morph combination on fertilization success,embryonic viability,newborn quality,antipredator,and foraging behavior,as well as inter-annual survival by conducting controlled matings in a polymorphic lacertid Podarcis muralis,where color morphs are frequently assumed to reflect alternative phenotypic optima(e.g.,alternative reproductive strategies).Juveniles were kept in outdoor tubs for a year in order to study inter-annual growth,survival,and morph *** agreement with a previous genome-wide association analysis,morph frequencies in the year-old juveniles matched the frequencies expected if orange and yellow expressions depended on recessive homozygosity at 2 separate *** findings also agree with previous literature reporting higher reproductive output of heavy females and the higher overall viability of heavy newborn lizards,but we found no evidence for the existence of alternative breeding investment strategies in female morphs,or morphcombination effects on offspring viability and *** conclude that inter-morph breeding remains entirely viable and genetic incompatibilities are of little significance for the maintenance of discrete color morphs in *** from the Pyrenees.

关键词： alternative breeding strategies color polymorphism controlled matings lizard behavior morph ontogeny newborn viability

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