Evolutionary BiologyCovers the genetic, developmental, and ecological mechanisms of evolutionary change, the major features of evolutionary history as revealed by phylogenetic and paleontological studies, and material on adaptation, molecular evolution, co-evolution, and human evolution. |
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Pagina 44
75 No variation due to environment Frequency in the population 50 25 One gene pair ( Aa x Aa ) 0 1AA 2Aa 1aa 30 12.5 percent of variation due to environment 20 Two gene pairs ( AaBb x AaBb ) . I 1 4AaBb 1AABB 2Aabb 1 AAbb 2AaBB 1aabb ...
75 No variation due to environment Frequency in the population 50 25 One gene pair ( Aa x Aa ) 0 1AA 2Aa 1aa 30 12.5 percent of variation due to environment 20 Two gene pairs ( AaBb x AaBb ) . I 1 4AaBb 1AABB 2Aabb 1 AAbb 2AaBB 1aabb ...
Pagina 450
11 Substitutions per base pair 5 8 • 7 0.2 6 3 0.1 52 1 0 20 40 60 80 Divergence time , Myr FIGURE 3 The number of base pair differences per site between mitochondrial DNA of pairs of species is plotted against the estimated time since ...
11 Substitutions per base pair 5 8 • 7 0.2 6 3 0.1 52 1 0 20 40 60 80 Divergence time , Myr FIGURE 3 The number of base pair differences per site between mitochondrial DNA of pairs of species is plotted against the estimated time since ...
Pagina 488
Slatkin ( 1980 ) , using a quantitative genetic model ( Chapter 7 ) , assumed that the intensity of competition between any two phenotypes does not depend on which species they represent , but only on their 0.15Pairs \ Expected 0.10 ...
Slatkin ( 1980 ) , using a quantitative genetic model ( Chapter 7 ) , assumed that the intensity of competition between any two phenotypes does not depend on which species they represent , but only on their 0.15Pairs \ Expected 0.10 ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
ADAPTATION AND ENVIRONMENT | 19 |
COMPLEX INTERACTIONS AMONG SPECIES | 34 |
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adaptive advantage allele frequency America animals appear arise average become behavior biological birds caused Chapter characteristics characters chromosomes common competition condition correlated depends derived determined differentiation direct distribution diversity Drosophila ecological effect environment enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors families favor females Figure fitness fossil function gene gene flow genetic drift genotypes geographic greater groups growth heterozygotes higher human hybrid important increase individual interactions isolation less linkage loci locus lower major males mammals mating mean mechanisms morphological mutation natural selection occur offspring organisms origin pairs pattern phenotype plants Pleistocene polymorphic population possible predators present probability recombination reduced region relative represent reproductive response sequence similar single sometimes speciation species structure taxa term theory tion trait usually variance variation vary
Informazioni bibliografiche
| Titolo | Evolutionary Biology |
| Autore | Douglas J. Futuyma |
| Edizione | 2, illustrata |
| Editore | Sinauer Associates, 1986 |
| Provenienza dell'originale | la University of Michigan |
| Digitalizzato | 27 gen 2010 |
| ISBN | 0878931880, 9780878931880 |
| Lunghezza | 600 pagine |
| Esporta citazione | BiBTeX EndNote RefMan |