Evolutionary BiologyOxford University Press, Incorporated, 1979 - 565 pagine Futuyma (ecology and evolution, SUNY Stony Brook) covers such subject areas as phylogeny, paleobiology, genetic mechanisms of change and speciation, character evolution, the theory of processes and macroevolution, and new molecular perspectives. Numerous line drawings, charts, diagrams, and maps are provided. Annotation copyrighted by Book News, Inc., Portland, OR |
Dall'interno del libro
Risultati 1-3 di 67
Pagina 130
... average sizes are to be compared . Haldane ( 1949 ) proposed the DARWIN as a measure of evolutionary rates , defining it as a change by a factor of e ( the base of natural logarithms , 2.718 ) per million years . For example , the average ...
... average sizes are to be compared . Haldane ( 1949 ) proposed the DARWIN as a measure of evolutionary rates , defining it as a change by a factor of e ( the base of natural logarithms , 2.718 ) per million years . For example , the average ...
Pagina 216
... average Drosophila population is polymorphic at no less than 30 per cent of its loci and that the polymorphic loci have so many alleles ( 2-6 ) at such high frequencies that an average fly is likely to be heterozygous at about 12 per ...
... average Drosophila population is polymorphic at no less than 30 per cent of its loci and that the polymorphic loci have so many alleles ( 2-6 ) at such high frequencies that an average fly is likely to be heterozygous at about 12 per ...
Pagina 300
... average than those with another , selection occurs . But if selection is a matter of averages , there must be at least several replicate copies of each gene , several individuals with each genotype , for an average superiority to be ...
... average than those with another , selection occurs . But if selection is a matter of averages , there must be at least several replicate copies of each gene , several individuals with each genotype , for an average superiority to be ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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AA AA AA adaptive adaptive radiation advantageous alleles ancestor arise artificial selection average become behavior biological birds bristle number cent Chapter character characteristics chromosome coefficient complex correlated deleterious depends developmental differentiation distribution diversity Dobzhansky dominant Drosophila ecological effect environment environmental enzyme epistasis epistatic equilibrium evidence evolutionary change evolved example extinction factors females Figure fitness flies fossil record function gametes gene flow gene frequency genetic change genetic drift genetic variation genome genotypes geographic habitats heterozygotes heterozygous homozygotes homozygous host human hybrid inbreeding increase individuals insects interactions less Lewontin linkage disequilibrium loci locus major males mammals mating Mayr mechanisms morphological mutation rates natural selection niche number of species occur offspring organisms overdominance patterns phenotypic phylogenetic plants pollen polymorphic population predators probability protein random rate of evolution recombination reproductive isolation response sexual similar single speciation structure survival sympatric theory tion traits variance vary