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 156
... dominance with respect to fitness , so that the fitness of A'A ' is 1 s and that of AA ' is 1 hs . If h = 0 , allele A is dominant ; if h = 1 , A ' is dominant ; if h 2 , neither allele is dominant . Letting the fit- nesses of AA , AA ...
... dominance with respect to fitness , so that the fitness of A'A ' is 1 s and that of AA ' is 1 hs . If h = 0 , allele A is dominant ; if h = 1 , A ' is dominant ; if h 2 , neither allele is dominant . Letting the fit- nesses of AA , AA ...
Pagina 157
... dominant ( Box A ; Figure 4 ) . Thus if an 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 ...
... dominant ( Box A ; Figure 4 ) . Thus if an 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 ...
Pagina 392
... DOMINANT GROUPS Biogeographers have long wondered whether " dominant " taxa - those that are geographically widespread and rich in species — are more likely to arise in some habitats or geographic regions than others . They have ...
... DOMINANT GROUPS Biogeographers have long wondered whether " dominant " taxa - those that are geographically widespread and rich in species — are more likely to arise in some habitats or geographic regions than others . They have ...
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