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 |
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Pagina 238
... occur simultaneously in two nonhomologous chro- mosomes , a translocation may occur ( Figure 5 ) , forming a chromosome from two nonhomologous chromosomes . In the heterozygous condi- tion , in which translocations first occur , the ...
... occur simultaneously in two nonhomologous chro- mosomes , a translocation may occur ( Figure 5 ) , forming a chromosome from two nonhomologous chromosomes . In the heterozygous condi- tion , in which translocations first occur , the ...
Pagina 249
... occur . THE RANDOMNESS OF MUTATIONS Mutations occur at random . This does not mean that all conceivable mutations are equally likely , nor that they are completely independent of the environment ; after all , mutation rates are affected ...
... occur . THE RANDOMNESS OF MUTATIONS Mutations occur at random . This does not mean that all conceivable mutations are equally likely , nor that they are completely independent of the environment ; after all , mutation rates are affected ...
Pagina 459
... occur ? Perhaps changes in resource use occur during speciation , in small populations with unusual genotypes faced with novel resources ( Figure 3 ) . Adaptation to these resources may occur independently of the effects of ...
... occur ? Perhaps changes in resource use occur during speciation , in small populations with unusual genotypes faced with novel resources ( Figure 3 ) . Adaptation to these resources may occur independently of the effects of ...
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