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Unformatted text preview: Balancing selection-Heterozygous advantage- Greater reproductive success of heterozygous individuals compared to homozygotes; tends to preserve variation in gene pools Frequency dependent selection-Neutral variation- Genetic diversity that confers no apparent selective advantage Stabilizing selection- Natural selection that favors intermediate variants by acting against extreme phenotypes Disruptive selection-Sexual dimorphism- A special case of polymorphism based on the distinction between the secondary sex characteristics of males and females...
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- Summer '01