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Reproducibility and Harmonization in Research Using Biological Standards: The Example of Platelet Agonist Collagen-Related Peptide
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Comments on the article by Araújo: are the criteria for peer review and publication clear?
Arquivos Brasileiros De Cardiologia
|September 6, 2012
Abstract
No abstract available in PubMed .
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Overview
Frequency-dependent Selection
When the fitness of a trait is influenced by how common it is (i.e., its frequency) relative to different traits within a population, this is referred to as frequency-dependent selection. Frequency-dependent selection may occur between species or within a single species. This type of selection can either be positive—with more common phenotypes having higher fitness—or negative, with rarer phenotypes conferring increased fitness.

