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 280
Douglas J. Futuyma. C Gene Flow among Populations THE HOMOGENIZING EFFECT OF GENE FLOW Assume that a population i has a gene fre- quency q ; but is exchanging genes with other populations in which the mean gene frequency is q . The ...
Douglas J. Futuyma. C Gene Flow among Populations THE HOMOGENIZING EFFECT OF GENE FLOW Assume that a population i has a gene fre- quency q ; but is exchanging genes with other populations in which the mean gene frequency is q . The ...
Pagina 409
... gene flow among populations are ordinarily too high to prevent divergence , was inade- quate . They point to the extremely limited levels of gene flow that characterize many species ( Chapter 11 ) and to cases in which indubit- ably ...
... gene flow among populations are ordinarily too high to prevent divergence , was inade- quate . They point to the extremely limited levels of gene flow that characterize many species ( Chapter 11 ) and to cases in which indubit- ably ...
Pagina 556
... gene definition , 36 as unit of selection , 300-301 gene conversion , 240 gene duplication , 40 , 41 , 167 , 323 effects of , 236 mechanism of , 235-236 gene flow , 29 , 233 , 259 , 279-288 barriers to , 389-391 extrinsic , 389 ...
... gene definition , 36 as unit of selection , 300-301 gene conversion , 240 gene duplication , 40 , 41 , 167 , 323 effects of , 236 mechanism of , 235-236 gene flow , 29 , 233 , 259 , 279-288 barriers to , 389-391 extrinsic , 389 ...
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