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 76
Pagina 44
... produce a precursor substance x , and many enzymes can act in sequence or in parallel to convert x to y ; thus many gene loci can contribute to the production of a single characteristic . It is common for each gene to contribute to the ...
... produce a precursor substance x , and many enzymes can act in sequence or in parallel to convert x to y ; thus many gene loci can contribute to the production of a single characteristic . It is common for each gene to contribute to the ...
Pagina 45
... produces x has multiple effects . Conversely the failure to produce a material that is a necessary ingredient of many tissues alters all those tissues . The achondroplasia mutant in the rat causes an inability to suckle , faulty ...
... produces x has multiple effects . Conversely the failure to produce a material that is a necessary ingredient of many tissues alters all those tissues . The achondroplasia mutant in the rat causes an inability to suckle , faulty ...
Pagina 46
... produce many individuals with exactly the same genotype and raise them under an enormous range of environmental conditions , we would find that every gene varies to a greater or lesser degree in its phenotypic expression . Some charac ...
... produce many individuals with exactly the same genotype and raise them under an enormous range of environmental conditions , we would find that every gene varies to a greater or lesser degree in its phenotypic expression . Some charac ...
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 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