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 59
Pagina 273
... frequency after one generation is still p , but the colonies vary to the extent p ( 1 - p ) / 2N ; and the smaller ... allele or the other . But once one of the alleles has been lost , it cannot reappear ( except by mutation or gene flow ) .
... frequency after one generation is still p , but the colonies vary to the extent p ( 1 - p ) / 2N ; and the smaller ... allele or the other . But once one of the alleles has been lost , it cannot reappear ( except by mutation or gene flow ) .
Pagina 278
... gene frequency at two protein loci ( esterase , Es - 36 , and hemoglobin , Hbb ) was much the same in small and large populations of house mice , but the variation in gene frequency was greater among small than among large populations ...
... gene frequency at two protein loci ( esterase , Es - 36 , and hemoglobin , Hbb ) was much the same in small and large populations of house mice , but the variation in gene frequency was greater among small than among large populations ...
Pagina 503
... gene loci , whereby their joint effect differs from the sum of the loci taken separately . equilibrium A condition of stasis , as of population size or genetic com- position . Also the value ( of population size , gene frequency ) at ...
... gene loci , whereby their joint effect differs from the sum of the loci taken separately . equilibrium A condition of stasis , as of population size or genetic com- position . Also the value ( of population size , gene frequency ) at ...
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 alterations ancestor arise artificial selection average become behavior biological birds bristle number cent Chapter character characteristics chromosome coefficient 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 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