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 chromosomes , a translocation may occur ( Figure 5 ) , forming a chromosome from two nonhomologous chromosomes . In the heterozygous condition , in which translocations first occur , the ...
... occur simultaneously in two nonhomologous chromosomes , a translocation may occur ( Figure 5 ) , forming a chromosome from two nonhomologous chromosomes . In the heterozygous condition , 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 adaptive advantageous alleles alterations ancestor animals appear arise associated average become behavior biological birds body bristle cause cent Chapter character characteristics chromosome common complex consists depends derived determined developmental differentiation direction Discuss distribution diversity dominant drift Drosophila ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors Figure fitness fossil function gene flow gene frequency genetic genetic variation genotypes geographic greater growth heterozygotes higher highly human hybrid important increase individuals insects instances interactions isolated kinds less loci locus major males mating mean mechanisms mutation natural selection occur offspring organisms origin patterns phenotypic plants Pleistocene polymorphic population possible predators present probability produce recombination relative reproduction response sexual similar single speciation species structure theory tion variance vary