Evolutionary BiologySinauer Associates, 1986 - 600 pagine Covers the genetic, developmental, and ecological mechanisms of evolutionary change, the major features of evolutionary history as revealed by phylogenetic and paleontological studies, and material on adaptation, molecular evolution, co-evolution, and human evolution. |
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Pagina 93
... polymorphism , the alleles arrived at a stable intermediate frequency , forming a BALANCED POLYMORPHISM . A complex balanced polymorphism has been studied in the land snail Cepaea nemoralis , in which the background color of the shell ...
... polymorphism , the alleles arrived at a stable intermediate frequency , forming a BALANCED POLYMORPHISM . A complex balanced polymorphism has been studied in the land snail Cepaea nemoralis , in which the background color of the shell ...
Pagina 168
Douglas J. Futuyma. FIGURE 10 The conditions for stable polymorphism maintained by environmental heterogeneity ( multiple - niche polymorphism and polymor- phism maintained by environmental fluctua- tions ) . The relative fitnesses of AA ...
Douglas J. Futuyma. FIGURE 10 The conditions for stable polymorphism maintained by environmental heterogeneity ( multiple - niche polymorphism and polymor- phism maintained by environmental fluctua- tions ) . The relative fitnesses of AA ...
Pagina 178
... polymorphism , although this leaves open the possibility that other modes of selection might be responsible . In contrast , the nature of polymorphism in alcohol dehydrogenase ( Adh ) in Dro- sophila melanogaster strongly suggests the ...
... polymorphism , although this leaves open the possibility that other modes of selection might be responsible . In contrast , the nature of polymorphism in alcohol dehydrogenase ( Adh ) in Dro- sophila melanogaster strongly suggests the ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency amino acid ancestor average behavior biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlated deleterious developmental differentiation distribution divergence Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups heritability heterozygotes heterozygous higher taxa homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mean mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes random recombination related species relative reproductive isolation segments sexual similar speciation structure survival sympatric theory tion traits transposable elements variable variance vertebrates