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 55
... phenotype is proportional to the amount of gene product . The phenotype shows additive inheritance , and neither allele is dominant . In curve II , the amount of gene product of the heterozygote is sufficient for complete expression of ...
... phenotype is proportional to the amount of gene product . The phenotype shows additive inheritance , and neither allele is dominant . In curve II , the amount of gene product of the heterozygote is sufficient for complete expression of ...
Pagina 154
... phenotype and fitness ( Figure 3 ) . If the relationship is monotonic , so that an extreme phenotype is most fit , selection is DIRECTIONAL . If intermediate Frequency after selection Frequency before selection Stabilizing Directional ...
... phenotype and fitness ( Figure 3 ) . If the relationship is monotonic , so that an extreme phenotype is most fit , selection is DIRECTIONAL . If intermediate Frequency after selection Frequency before selection Stabilizing Directional ...
Pagina 199
... phenotype will tend to lower the correlation between the phenotypes of parents and offspring . Because of this relationship , it is possible to estimate heritability in the narrow sense ( henceforth referred to simply as " heritability ...
... phenotype will tend to lower the correlation between the phenotypes of parents and offspring . Because of this relationship , it is possible to estimate heritability in the narrow sense ( henceforth referred to simply as " heritability ...
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 Amer amino acid ancestor animals average behavior biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance