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News From the Field

Sex Works Thanks to Ever-evolving Host, Parasite Relationships

July 7, 2011

red queen Indiana University biologists have found that, although sexual reproduction between two individuals is costly from an evolutionary perspective, it is favored over self-fertilization in the presence of co-evolving parasites. Sex allows parents to produce offspring that are more resistant to the parasites, while self-fertilization dooms populations to extinction at the hands of their biological enemies. Full Story

Indiana University

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