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Genetic correlation between mating preference and the preferred male character in seaweed flies (Coelopa frigida)
Gilburn, A.S.; Foster, S.P.; Day, T.H. (1993). Genetic correlation between mating preference and the preferred male character in seaweed flies (Coelopa frigida). Evolution 47(6): 1788-1795
In: Evolution. Society for the Study of Evolution: Lancaster. ISSN 0014-3820, more
Peer reviewed article

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Keywords
    Sexual selection; Coelopa (Fucomyia) frigida (Fabricius, 1805) [WoRMS]; Marine
Author keywords
    Female mating preference

Authors  Top 
  • Gilburn, A.S.
  • Foster, S.P.
  • Day, T.H.

Abstract
    The mating preferences of female seaweed flies Coelopa frigida were determined by observing their acceptance or rejection of males of known size. The inversion karyotype of both males and females was also determined. Females exhibited a preference to mate with large males, and evidence is presented that a genetic correlation exists between the female preference and the preferred trait. Females carrying the inversion karyotype associated with large male size showed a strong preference for large males; females carrying the inversion associated with small male size also exhibited a preference for large males, but it was significantly less strong. This finding suggests that a Fisherian process may be operating.

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