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 57
Pagina 252
... arise by mutation . For example , can both a new enzyme and the regulatory system that modulates its production arise by mutation ? Clarke ( 1974 ) describes several possible pathways whereby the ability to metabolize a novel substrate ...
... arise by mutation . For example , can both a new enzyme and the regulatory system that modulates its production arise by mutation ? Clarke ( 1974 ) describes several possible pathways whereby the ability to metabolize a novel substrate ...
Pagina 254
... arise at a far higher rate than it could by mutation alone . But these extreme homozygous genotypes arise only infrequently . For example , if these five loci segregate independently , the probability is only 1/64 that an offspring from ...
... arise at a far higher rate than it could by mutation alone . But these extreme homozygous genotypes arise only infrequently . For example , if these five loci segregate independently , the probability is only 1/64 that an offspring from ...
Pagina 438
... arise . The entire theory of population genetics assumes variation as a given , by processes of mu- tation , recombination , and gene expression described in purely statis- tical terms . The problem of how new variations arise falls not ...
... arise . The entire theory of population genetics assumes variation as a given , by processes of mu- tation , recombination , and gene expression described in purely statis- tical terms . The problem of how new variations arise falls not ...
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