Abstract
A mechanistic analysis of natural selection requires two kinds of information. First, the causal relationship between an environment and natural selection on a phenotype must be established. In other words, why is one phenotype better adapted to a particular environment while a second phenotype is less well adapted? What does this differential adaptation mean in terms of probabilities of survival and reproductive success, and how are these differentials manifested during the life history of the organism? Second, it is necessary to establish the genetic basis of the phenotypic differences that confer differential adaptation. Genetic analysis is simplest for major gene polymorphisms that are determined by alleles at a single locus. In addition, the formal theory of population genetics can be readily used to make predictions about rates of evolutionary change for single locus polymorphisms.
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Clegg, M.T., Epperson, B.K. (1988). Natural selection of flower color polymorphisms in morning glory populations. In: Gottlieb, L.D., Jain, S.K. (eds) Plant Evolutionary Biology. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1207-6_10
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DOI: https://doi.org/10.1007/978-94-009-1207-6_10
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