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 53
... expression , sometimes in the same way that alteration of the genes does . For example , altered phenotypes called PHENOCOPIES that are similar to the altered wing veins exhibited by such mutants as crossveinless and Curly can be ...
... expression , sometimes in the same way that alteration of the genes does . For example , altered phenotypes called PHENOCOPIES that are similar to the altered wing veins exhibited by such mutants as crossveinless and Curly can be ...
Pagina 57
... expression of many genes is regulated at the level of tran- scription . In many cases , several genes with coordinated functions , together with a regulatory sequence called the operator , form an OPERON . One kind of operon is ...
... expression of many genes is regulated at the level of tran- scription . In many cases , several genes with coordinated functions , together with a regulatory sequence called the operator , form an OPERON . One kind of operon is ...
Pagina 156
... expression for genetic change in a single generation by natural selection when fitnesses are constant , and may be used to find expressions for particular cases . Note that the magnitude of allele frequency change ( Aq ) is proportional ...
... expression for genetic change in a single generation by natural selection when fitnesses are constant , and may be used to find expressions for particular cases . Note that the magnitude of allele frequency change ( Aq ) is proportional ...
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