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 56
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 . —— ? g But these extreme homozygous genotypes arise only infrequently . For example , if these five loci segregate independently , the probability is only 1/64 that an ...
... arise at a far higher rate than it could by mutation alone . —— ? g But these extreme homozygous genotypes arise only infrequently . For example , if these five loci segregate independently , the probability is only 1/64 that an ...
Pagina 438
... arise . The entire theory of population genetics assumes variation as a given , by processes of mutation , recombination , and gene expression described in purely statistical 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 mutation , recombination , and gene expression described in purely statistical 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 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