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 40
Pagina 155
... advantageous allele will be fixed in the population if no other factors intervene . For example , suppose allele A is advantageous and is fully dominant with respect to fitness , meaning that the fitnesses of AA and AA ' are equal and ...
... advantageous allele will be fixed in the population if no other factors intervene . For example , suppose allele A is advantageous and is fully dominant with respect to fitness , meaning that the fitnesses of AA and AA ' are equal and ...
Pagina 157
... advantageous phenotype arises independently by dominant or by recessive mutations , a dominant mutation is more likely to be fixed . Finally , it should be pointed out that as the advantageous genotype increases in frequency in the ...
... advantageous phenotype arises independently by dominant or by recessive mutations , a dominant mutation is more likely to be fixed . Finally , it should be pointed out that as the advantageous genotype increases in frequency in the ...
Pagina 259
... advantageous allele again arises by mutation ( or enters by gene flow ) , it will increase in frequency . Williams therefore argued that group selection should be an explanation of last resort . His arguments had a strong impact , but ...
... advantageous allele again arises by mutation ( or enters by gene flow ) , it will increase in frequency . Williams therefore argued that group selection should be an explanation of last resort . His arguments had a strong impact , but ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency amino acid ancestor average behavior biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlated deleterious developmental differentiation distribution divergence Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups heritability heterozygotes heterozygous higher taxa homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mean mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes random recombination related species relative reproductive isolation segments sexual similar speciation structure survival sympatric theory tion traits transposable elements variable variance vertebrates