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
... expression , sometimes in the same way that 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 ...
... expression , sometimes in the same way that 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 ...
Pagina 57
... expression of many genes is regulated at the level of tran- scription . In many cases , several genes with coordinated functions , together with a regulatory sequence called the operator , form an OPERON . One kind of operon is ...
... expression of many genes is regulated at the level of tran- scription . In many cases , several genes with coordinated functions , together with a regulatory sequence called the operator , form an OPERON . One kind of operon is ...
Pagina 156
... expression for genetic change in a single generation by natural selection when fitnesses are constant , and may be used to find expressions for particular cases . Note that the magnitude of allele frequency change ( Aq ) is proportional ...
... expression for genetic change in a single generation by natural selection when fitnesses are constant , and may be used to find expressions for particular cases . Note that the magnitude of allele frequency change ( Aq ) is proportional ...
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