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 56
Pagina 27
... advantageous mutations are likely to have slight phenotype effects and that evolution proceeds by successive slight changes in phenotype and is a gradual process . This proposition , however , is presently coming into question . 11 ...
... advantageous mutations are likely to have slight phenotype effects and that evolution proceeds by successive slight changes in phenotype and is a gradual process . This proposition , however , is presently coming into question . 11 ...
Pagina 28
... advantageous only if it contributes to the function of an established system , and what is advantageous to one species is disadvantageous to others with different structures and ways of life . Moreover the adaptive value of an allele ...
... advantageous only if it contributes to the function of an established system , and what is advantageous to one species is disadvantageous to others with different structures and ways of life . Moreover the adaptive value of an allele ...
Pagina 29
... advantageous to maple trees ; what is advantageous is the presence of anthocyanins for other reasons and the breakdown of chlorophyll so that some of the breakdown products can be stored . Every gene has a variety of effects on the ...
... advantageous to maple trees ; what is advantageous is the presence of anthocyanins for other reasons and the breakdown of chlorophyll so that some of the breakdown products can be stored . Every gene has a variety of effects on the ...
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