Elucidation of phenotypic adaptations: Molecular analyses of dim-light vision proteins in vertebrates.

Abstract excerpt

Vertebrate ancestors appeared in a uniform, shallow water environment, but modern species flourish in highly variable niches. A striking array of phenotypes exhibited by contemporary animals is assumed to have evolved by accumulating a series of selectively advantageous mutations. However, the experimental test of such adaptive events at the molecular level is remarkably difficult. One testable phenotype,...

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