Evolutionary biology |
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Pagina 72
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 expressed as the number ...
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 expressed as the number ...
Pagina 76
The genetic background in which a mutation arises often determines its fate. The
simplest instance is that of a genetic priority effect: a new, possibly beneficial
mutation is not advantageous if its function is already served by an established ...
The genetic background in which a mutation arises often determines its fate. The
simplest instance is that of a genetic priority effect: a new, possibly beneficial
mutation is not advantageous if its function is already served by an established ...
Pagina 133
If we assume that allele A (with frequency p) mutates to A' (with frequency q = 1 -
p) at the rate m, and that the rate of mutation from A' to A is v, the change in the
frequency of A' is bq = w(1 - q) - vq per generation. Thus if q = 0.5, u = 10~5, and
v ...
If we assume that allele A (with frequency p) mutates to A' (with frequency q = 1 -
p) at the rate m, and that the rate of mutation from A' to A is v, the change in the
frequency of A' is bq = w(1 - q) - vq per generation. Thus if q = 0.5, u = 10~5, and
v ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency allozyme amino acid ancestor average become behavior biological birds bristle number Chapter character chromosome cladistic coefficient coevolution competition correlation Cretaceous deleterious developmental differentiation distribution diversity Drosophila Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rates favor females Figure fitness fossil record function gametes gene conversion gene flow genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding individual insects interactions Lewontin lineage linkage disequilibrium loci locus males mammals mating mean molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms parasites pattern phenotype phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes rate of evolution recombination region related species relative reproductive isolation sequence sexual similar South America speciation structure survival sympatric taxa taxon theory tion trait transposable elements variance
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 |