Multiple mating and sequential mate choice in guppies: females trade up.

@article{Pitcher2003MultipleMA,
  title={Multiple mating and sequential mate choice in guppies: females trade up.},
  author={Trevor E. Pitcher and Bryan D. Neff and F. Helen Rodd and Locke Rowe},
  journal={Proceedings. Biological sciences},
  year={2003},
  volume={270 1524},
  pages={1623-9}
}
The trade-up hypothesis outlines a behavioural strategy that females could use to maximize the genetic benefits to their offspring. The hypothesis proposes that females should be more willing to accept a mate when the new male encountered is a superior genetic source to previous mates. We provide a direct test of the trade-up hypothesis using guppies (Poecilia reticulata), and evaluate both behavioural and paternity data. Virgin female guppies were presented sequentially with two males of… CONTINUE READING
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