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Trends Ecol Evol. 1995 Dec;10(12):493-6.

Sexual selection by cryptic female choice on male seminal products - a new bridge between sexual selection and reproductive physiology.

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William Eberhard is at the Smithsonian Tropical Research Institute, and the Escuela de BiologĂ­a of the Universidad de Costa Rica, Ciudad Universitaria, Costa Rica.


Selection clearly focuses on differences in reproduction, but studies of reproductive physiology generally have been carried out in a near vacuum of modern evolutionary theory. This lack of contact between the two fields may be about to change. New ideas indicate that sexual selection by cryptic female choice has affected the evolution of products in male semen that influence female reproductive behavior and physiology.

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