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Eye regression in blind Astyanax cavefish may facilitate the evolution of an adaptive behavior and its sensory receptors
The forces driving the evolutionary loss or simplification of traits such as vision and pigmentation in cave animals are still debated. Three alternative hypotheses are direct selection against the trait, genetic drift, and indirect selection due to antagonistic pleiotropy. Recent work establishes t...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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BioMed Central
2013
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3726320/ https://www.ncbi.nlm.nih.gov/pubmed/23844714 http://dx.doi.org/10.1186/1741-7007-11-81 |