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 53
... alteration of the genes does . For example , altered phenotypes called PHENOCOPIES that are similar to the altered wing veins exhibited by such mutants as crossveinless and Curly can be produced in nonmutant Drosophila by a temperature ...
... alteration of the genes does . For example , altered phenotypes called PHENOCOPIES that are similar to the altered wing veins exhibited by such mutants as crossveinless and Curly can be produced in nonmutant Drosophila by a temperature ...
Pagina 65
... altered if their position is shifted , as by an inversion . Although it is possible that in such cases the gene is ... alterations of either the base pair sequence of genes or of the number of copies of a gene . Mutations are of many ...
... altered if their position is shifted , as by an inversion . Although it is possible that in such cases the gene is ... alterations of either the base pair sequence of genes or of the number of copies of a gene . Mutations are of many ...
Pagina 66
... alterations can have other effects . A mutation from an amino acid - coding triplet to a termination codon ( e.g. ... altered triplets . Frameshift mutations appear usu- ally to produce nonfunctional products . At the phenotypic level ...
... alterations can have other effects . A mutation from an amino acid - coding triplet to a termination codon ( e.g. ... altered triplets . Frameshift mutations appear usu- ally to produce nonfunctional products . At the phenotypic level ...
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 Biol biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlation developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example extinction factors females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic heritability heterozygotes heterozygous homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms paedomorphosis pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination segments sexual similar speciation structure sympatric Syst theory tion traits transposable elements University Press variable variance vertebrates York