Publication: Sexual Selection: Placentation, Superfetation, and Coercive Copulation
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Date
2014
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Elsevier BV
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Haig, David. 2014. “Sexual Selection: Placentation, Superfetation, and Coercive Copulation.” Current Biology 24 (17) (September): R805–R808. doi:10.1016/j.cub.2014.07.039.
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Abstract
The evolution of placentas in poeciliid fishes is associated with conception of overlapping litters and male mating strategies becoming more coercive. Sperm competition in ovaries of multiply-inseminated females may favor fertilization of immature eggs during ongoing pregnancies.
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