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 48
Pagina 269
... variance ( Appendix I ) , making the simpli- fying assumption that d = 0 . The variance Vr is the sum of the squared deviations of the phenotypes from the mean , weighted by the frequency of each phenotype , or 2 VF = [ p2 ( 1 – F ) + ...
... variance ( Appendix I ) , making the simpli- fying assumption that d = 0 . The variance Vr is the sum of the squared deviations of the phenotypes from the mean , weighted by the frequency of each phenotype , or 2 VF = [ p2 ( 1 – F ) + ...
Pagina 347
... variance in fitness , as it appeared in Box F in Chapter 13 . In this example the effect of an allele substitution ... variance they give rise to is termed the ADDITIVE GENETIC VARIANCE V1 . If two loci each act additively in this ...
... variance in fitness , as it appeared in Box F in Chapter 13 . In this example the effect of an allele substitution ... variance they give rise to is termed the ADDITIVE GENETIC VARIANCE V1 . If two loci each act additively in this ...
Pagina 356
... variance in fitness ( dw / dt = V1 ) . As long as additive genetic variance exists for a character like viability , the mean viability will continue to evolve toward a higher level . But by the time we look at a population , the genetic ...
... variance in fitness ( dw / dt = V1 ) . As long as additive genetic variance exists for a character like viability , the mean viability will continue to evolve toward a higher level . But by the time we look at a population , the genetic ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
Copyright | |
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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