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. |
Dall'interno del libro
Risultati 1-3 di 88
Pagina 72
Douglas J. Futuyma. RATES OF MUTATION Mutation rates are typically scored by the frequency with which a new mutant arises among the progeny in a population ( often a laboratory population ) of nonmutant individuals . Hence they are ...
Douglas J. Futuyma. RATES OF MUTATION Mutation rates are typically scored by the frequency with which a new mutant arises among the progeny in a population ( often a laboratory population ) of nonmutant individuals . Hence they are ...
Pagina 76
... mutation is advantageous , disadvan- tageous , or neutral ( Chapters 6 and 7 ) . THE RANDOMNESS OF MUTATIONS Mutations occur at random . This does not mean that all loci mutate at the same rate , nor that all imaginable mutations are ...
... mutation is advantageous , disadvan- tageous , or neutral ( Chapters 6 and 7 ) . THE RANDOMNESS OF MUTATIONS Mutations occur at random . This does not mean that all loci mutate at the same rate , nor that all imaginable mutations are ...
Pagina 133
Douglas J. Futuyma. MUTATIONS IN FINITE POPULATIONS In a very large population , the rate of gene frequency change due to mutation alone is likely to be low , because the mutation rate at a locus is likely to be about u = 10 or 10 ° per ...
Douglas J. Futuyma. MUTATIONS IN FINITE POPULATIONS In a very large population , the rate of gene frequency change due to mutation alone is likely to be low , because the mutation rate at a locus is likely to be about u = 10 or 10 ° per ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
8 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Parole e frasi comuni
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