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 77
Pagina 269
... mean . If A is dominant or overdominant ( d > 0 ) , the mean declines linearly with the degree of inbreeding ( this is called inbreeding depression ) . Now consider the effect of inbreeding on the variance ( Appendix I ) , making the ...
... mean . If A is dominant or overdominant ( d > 0 ) , the mean declines linearly with the degree of inbreeding ( this is called inbreeding depression ) . Now consider the effect of inbreeding on the variance ( Appendix I ) , making the ...
Pagina 370
... mean shifted the mean toward lower levels ; selection had a directional com- ponent ( Figure 1 ) . In the D lines both large and small females were selected ; but large females produce more eggs , so natural selection shifted the mean ...
... mean shifted the mean toward lower levels ; selection had a directional com- ponent ( Figure 1 ) . In the D lines both large and small females were selected ; but large females produce more eggs , so natural selection shifted the mean ...
Pagina 495
... MEAN ( commonly known as the AVERAGE ) is then ΣΧ = n ( Other kinds of means can be calculated and are used in evolutionary theory , but I have used them very little in this book . ) If X is a discrete variable such as the number of ...
... MEAN ( commonly known as the AVERAGE ) is then ΣΧ = n ( Other kinds of means can be calculated and are used in evolutionary theory , but I have used them very little in this book . ) If X is a discrete variable such as the number of ...
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 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