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 91
Pagina 151
... single character , such as number of teeth in a mammal , would more properly be refined into separate characters : number of incisors , canines , and so on . Conversely two seeming characters may be just two aspects of a single feature ...
... single character , such as number of teeth in a mammal , would more properly be refined into separate characters : number of incisors , canines , and so on . Conversely two seeming characters may be just two aspects of a single feature ...
Pagina 394
... single parasitized host , is very common . This is not to suggest that these species arose by single mutations ; the inbreeding process is thought merely to speed up a gradual accumulation of the several or many genes that confer ...
... single parasitized host , is very common . This is not to suggest that these species arose by single mutations ; the inbreeding process is thought merely to speed up a gradual accumulation of the several or many genes that confer ...
Pagina 395
... single locus when Sy is the selection coefficient against aa in niche X and Sy is the selection coefficient against AA in niche Y , with and without dominance . In each diagram gene flow from niche Y to X , and from X to Y , forms the ...
... single locus when Sy is the selection coefficient against aa in niche X and Sy is the selection coefficient against AA in niche Y , with and without dominance . In each diagram gene flow from niche Y to X , and from X to Y , forms the ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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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