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 75
Pagina 273
... Gene frequency B t = N / 10 t = N / 5 t = N t = 3N - i + 1 ) 0.5 Gene frequency A 6.0 1.0 p ' ( 1 - p ) 2N- ' . t = N / 10 Probability distribution of gene frequencies under genetic drift when the initial gene frequency is ( A ) 0.5 or ...
... Gene frequency B t = N / 10 t = N / 5 t = N t = 3N - i + 1 ) 0.5 Gene frequency A 6.0 1.0 p ' ( 1 - p ) 2N- ' . t = N / 10 Probability distribution of gene frequencies under genetic drift when the initial gene frequency is ( A ) 0.5 or ...
Pagina 316
Douglas J. Futuyma. A Gene Frequency Change under Selection Suppose we have these genotypes with these fitnesses : Genotype Frequency Fitness ( w ) dw / dq Then the average fitness is w = p2 + 2pq ( 1 − s1 ) + q2 ( 1 − $ 2 ) = 12pqs ...
Douglas J. Futuyma. A Gene Frequency Change under Selection Suppose we have these genotypes with these fitnesses : Genotype Frequency Fitness ( w ) dw / dq Then the average fitness is w = p2 + 2pq ( 1 − s1 ) + q2 ( 1 − $ 2 ) = 12pqs ...
Pagina 328
... frequency - dependent component to selection in a patchy environment . A dry - adapted plant genotype in a ... gene frequency , and the higher the probability that an allele , even if advantageous , will be lost . SELECTION AND THE ...
... frequency - dependent component to selection in a patchy environment . A dry - adapted plant genotype in a ... gene frequency , and the higher the probability that an allele , even if advantageous , will be lost . SELECTION AND THE ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
Copyright | |
19 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Parole e frasi comuni
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