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 ...
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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