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 164
... even deleterious ) allele to a superior allele at a neighboring locus can tem- porarily maintain a neutral allele in a population , and can increase its frequency - - Frequency of ST ( per cent ) by " hitchhiking 164 Chapter Six.
... even deleterious ) allele to a superior allele at a neighboring locus can tem- porarily maintain a neutral allele in a population , and can increase its frequency - - Frequency of ST ( per cent ) by " hitchhiking 164 Chapter Six.
Pagina 167
... cent offered Frequency - dependent selection has been documented for a great variety of phenomena . Self - compatibility alleles in plant populations are powerfully gov- erned in this manner ( Chapter 5 ) , because each pollen genotype ...
... cent offered Frequency - dependent selection has been documented for a great variety of phenomena . Self - compatibility alleles in plant populations are powerfully gov- erned in this manner ( Chapter 5 ) , because each pollen genotype ...
Pagina 202
Douglas J. Futuyma. Per cent of population 20 15 10 5 Mean birth weight Optimum birth weight 100 70 50 Per cent mortality 30 20 8885 10 75 3 2 FIGURE 5 1 2 3 4 5 6 7 8 9 10 11 Birth weight , in pounds Stabilizing selection for birth ...
Douglas J. Futuyma. Per cent of population 20 15 10 5 Mean birth weight Optimum birth weight 100 70 50 Per cent mortality 30 20 8885 10 75 3 2 FIGURE 5 1 2 3 4 5 6 7 8 9 10 11 Birth weight , in pounds Stabilizing selection for birth ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance