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
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Pagina 240
... usually produce nonfunctional products ; in yeast such mu- tations are completely recessive , whereas mutations caused by base pair substitutions are usually partially dominant , evincing some activity of the altered gene ( Wills 1968 ) ...
... usually produce nonfunctional products ; in yeast such mu- tations are completely recessive , whereas mutations caused by base pair substitutions are usually partially dominant , evincing some activity of the altered gene ( Wills 1968 ) ...
Pagina 260
... usually ( but not always ) have yellow tarsi , while brown- winged specimens usually have brown tarsi . What can you say about the genetic basis for these traits ? 5 Discuss the validity of viewing mutations as " mistakes " in gene ...
... usually ( but not always ) have yellow tarsi , while brown- winged specimens usually have brown tarsi . What can you say about the genetic basis for these traits ? 5 Discuss the validity of viewing mutations as " mistakes " in gene ...
Pagina 505
... usually great enough to allocate the changed lineage and its descendants to a distinct genus or higher taxon . mean Usually the arithmetic mean or average ; the sum of n values , divided by n . The mean x = ( x1 + x2 + . . . + x „ ) / n ...
... usually great enough to allocate the changed lineage and its descendants to a distinct genus or higher taxon . mean Usually the arithmetic mean or average ; the sum of n values , divided by n . The mean x = ( x1 + x2 + . . . + x „ ) / n ...
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