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 216
... cent polymorphic loci and 10 per cent average heterozygosity , were similarly highly variable . Since these studies , more extensive work on Drosophila and Homo has revealed that these early estimates of genetic variation were , if ...
... cent polymorphic loci and 10 per cent average heterozygosity , were similarly highly variable . Since these studies , more extensive work on Drosophila and Homo has revealed that these early estimates of genetic variation were , if ...
Pagina 220
... cent ( da Cunha 1949 ) . Heterozygote deficiencies of this kind are usually ascribed to some inbreeding effect ... cent and 40 per cent respectively , A should be associated with B 60 per cent of the time and with B ' 40 per cent of the ...
... cent ( da Cunha 1949 ) . Heterozygote deficiencies of this kind are usually ascribed to some inbreeding effect ... cent and 40 per cent respectively , A should be associated with B 60 per cent of the time and with B ' 40 per cent of the ...
Pagina 362
... cent Tidbinbilla EF chromosomes From these fitnesses Lewontin and White calculated what w would be for populations ... cent A ' , 100 per cent B ' and 0 per cent A ' , 55 per cent B ' ; and an unstable equilibrium , or saddle point ...
... cent Tidbinbilla EF chromosomes From these fitnesses Lewontin and White calculated what w would be for populations ... cent A ' , 100 per cent B ' and 0 per cent A ' , 55 per cent B ' ; and an unstable equilibrium , or saddle point ...
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