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Multiple paternity increases phenotypic diversity in Tetrix subulata pygmy grasshoppers
Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM).
Linnéuniversitetet, Fakulteten för Hälso- och livsvetenskap (FHL), Institutionen för biologi och miljö (BOM). (Ctr Ecol & Evolut Microbial Model Syst EEMiS;Evolutionary Ecology)ORCID-id: 0000-0001-9598-7618
2013 (engelsk)Inngår i: Journal of Orthoptera Research, ISSN 1082-6467, Vol. 22, nr 2, s. 79-85Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Multiple paternity within clutches has been recorded among a variety of organisms. The degree of genetic similarity between parents may influence the number and viability of offspring. Females may therefore mate with several males as an insurance against sterile, low quality or genetically incompatible mates, but also to obtain half sibling offspring that are genetically and phenotypically more diverse. We examine the links between polyandry, multiple paternity and offspring phenotypic diversity in the color polymorphic pygmy grasshopper Tetrix subulata. By experimentally mating virgin females and genotyping the resulting offspring using microsatellite markers, we demonstrate that polyandrous females can produce offspring sired by different males. Analyses of microsatellite data and color patterns of captive reared families produced by wild caught females that were not mated in the laboratory, confirmed that multiple paternity occurs in the wild, and that it may increase color morph diversity among half-siblings. Polyandrous mating behavior may thus influence the evolutionary dynamics and maintenance of color polymorphism in this species.

sted, utgiver, år, opplag, sider
2013. Vol. 22, nr 2, s. 79-85
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Ekologi, Evolutionsbiologi
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URN: urn:nbn:se:lnu:diva-31365DOI: 10.1665/034.022.0204Scopus ID: 2-s2.0-84891822078OAI: oai:DiVA.org:lnu-31365DiVA, id: diva2:683107
Tilgjengelig fra: 2014-01-02 Laget: 2014-01-02 Sist oppdatert: 2018-10-24bibliografisk kontrollert

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Johansson, JennyCaesar, SofiaForsman, Anders

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