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 98
... loci have so many alleles ( 2-6 ) at such high frequencies that an average fly is likely to be heterozygous at about 12 percent of its loci . If these loci ( mostly coding for soluble enzymes ) are truly a random sample of the roughly ...
... loci have so many alleles ( 2-6 ) at such high frequencies that an average fly is likely to be heterozygous at about 12 percent of its loci . If these loci ( mostly coding for soluble enzymes ) are truly a random sample of the roughly ...
Pagina 194
... loci interact epistat- ically in their effect on fitness . The possibility exists that a chromosome is thickly studded with polymorphic loci , some of which are visualized as allozyme variants , that interact epistatically among ...
... loci interact epistat- ically in their effect on fitness . The possibility exists that a chromosome is thickly studded with polymorphic loci , some of which are visualized as allozyme variants , that interact epistatically among ...
Pagina 195
... loci , each of which has a slight effect . A trait that is governed by many loci shows POLYGENIC inheritance . Virtually every trait shows some degree of polygenic variation . Even the activity per gram of tissue of a specific enzyme ...
... loci , each of which has a slight effect . A trait that is governed by many loci shows POLYGENIC inheritance . Virtually every trait shows some degree of polygenic variation . Even the activity per gram of tissue of a specific enzyme ...
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