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. |
Dall'interno del libro
Risultati 1-3 di 86
Pagina 143
... rate u per generation , where u is the rate at which new alleles arise by mutation . Consequently different populations ( or species ) will diverge at a constant rate , and at any given time a population should have a considerable ...
... rate u per generation , where u is the rate at which new alleles arise by mutation . Consequently different populations ( or species ) will diverge at a constant rate , and at any given time a population should have a considerable ...
Pagina 280
... rate of evolution in small popu- lations , because mutations will then occur so rarely that one mutation will be nearly fixed before another occurs . Some artificial selection experiments have demonstrated that recombination enhances ...
... rate of evolution in small popu- lations , because mutations will then occur so rarely that one mutation will be nearly fixed before another occurs . Some artificial selection experiments have demonstrated that recombination enhances ...
Pagina 399
... rates as high as 12 darwins for short periods . Char- lesworth ( 1984a ) has shown that the rate of evolution in single characters is highly variable in almost every case for which a detailed fossil record is available . Can morphological ...
... rates as high as 12 darwins for short periods . Char- lesworth ( 1984a ) has shown that the rate of evolution in single characters is highly variable in almost every case for which a detailed fossil record is available . Can morphological ...
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