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 |
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Pagina 37
... copies of the rRNA genes , and the genes for each kind of histone protein in the chromosomes of eukar- yotes are reiterated 250-500 times . But most structural genes , like those coding for the polypeptides that make up hemoglobin , are ...
... copies of the rRNA genes , and the genes for each kind of histone protein in the chromosomes of eukar- yotes are reiterated 250-500 times . But most structural genes , like those coding for the polypeptides that make up hemoglobin , are ...
Pagina 233
... copies of any allele from any extraneous source . If there were , and if one allele entered the population at a greater rate than another , the gene frequencies would change . There are two possible sources of new copies : migration of ...
... copies of any allele from any extraneous source . If there were , and if one allele entered the population at a greater rate than another , the gene frequencies would change . There are two possible sources of new copies : migration of ...
Pagina 300
... copies of each gene , several individuals with each genotype , for an average superiority to be expressed ; there must be classes of genes , or genotypes , or whatever . Because individual genes replicate themselves exactly , each kind ...
... copies of each gene , several individuals with each genotype , for an average superiority to be expressed ; there must be classes of genes , or genotypes , or whatever . Because individual genes replicate themselves exactly , each kind ...
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