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 57
Pagina 250
... observed such slight changes that they estimated that spontaneous mutation gives rise in each generation to about 1/1000 of the amount of genetic variation in this characteristic usually observed in wild populations . Thus any immediate ...
... observed such slight changes that they estimated that spontaneous mutation gives rise in each generation to about 1/1000 of the amount of genetic variation in this characteristic usually observed in wild populations . Thus any immediate ...
Pagina 278
... observations of the rate of genetic change in populations . Some ( e.g. , Kerr and Wright 1954 , Buri 1956 ) have ... observed value for each of the seven loci . Thus these genetic differences can be explained purely by genetic drift ...
... observations of the rate of genetic change in populations . Some ( e.g. , Kerr and Wright 1954 , Buri 1956 ) have ... observed value for each of the seven loci . Thus these genetic differences can be explained purely by genetic drift ...
Pagina 338
... observed range of heterozygosity values , if explained entirely by the neutral hypothesis , is so narrow that we would have to imagine N , lies within a factor of four for all organisms that have been studied ( Figure 11 ) . This seems ...
... observed range of heterozygosity values , if explained entirely by the neutral hypothesis , is so narrow that we would have to imagine N , lies within a factor of four for all organisms that have been studied ( Figure 11 ) . This seems ...
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