Evolutionary BiologySinauer Associates, 1986 - 600 pagine Covers 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
... pairs . due to environment 20 10 아 Five gene pairs . 11 . 0 Phenotype B A FIGURE 1 Continuous variation . The abscissa represents a phenotypic character such as height , the ordinate the frequency of phenotypes in a population . ( A ) ...
... pairs . due to environment 20 10 아 Five gene pairs . 11 . 0 Phenotype B A FIGURE 1 Continuous variation . The abscissa represents a phenotypic character such as height , the ordinate the frequency of phenotypes in a population . ( A ) ...
Pagina 66
... pair changes that do alter amino acid sequences may not have discernible effects on the organism's phe- notype because an ... pairs ( the length of the coding sequence for human hemoglobin a ) would be 1269 ( 1⁄4423 , the probability of ...
... pair changes that do alter amino acid sequences may not have discernible effects on the organism's phe- notype because an ... pairs ( the length of the coding sequence for human hemoglobin a ) would be 1269 ( 1⁄4423 , the probability of ...
Pagina 488
... pairs of species of bird - eating hawks ( genus Accipiter ) are more different in body size than expected at random ... pairs of sympatric species , worldwide , with a given ratio of body sizes . The shaded line is calculated from all ...
... pairs of species of bird - eating hawks ( genus Accipiter ) are more different in body size than expected at random ... pairs of sympatric species , worldwide , with a given ratio of body sizes . The shaded line is calculated from all ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive advantage allele allele frequency animals appear arise associated average become behavior biological cause cells Chapter characteristics characters chromosome common competition condition conversion copies correlation depends determined developmental differentiation distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist expression extinction factors Figure fitness fossil frequency function gene genetic genetic drift genome genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less linkage loci locus lower major males mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotypic plants Pleistocene polymorphism population possible predators Press probability proteins reduced region relationships relative represent reproductive response sequence similar single speciation species structure taxa term theory tion traits variance variation vary