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 57
... gene products are degraded relative to the rate of synthesis . There is evidence that each of these operates in particular instances . In bacteria , the expression of many genes is regulated at the level of tran- scription . In many ...
... gene products are degraded relative to the rate of synthesis . There is evidence that each of these operates in particular instances . In bacteria , the expression of many genes is regulated at the level of tran- scription . In many ...
Pagina 129
... gene copies at a locus . If all matings , including self - fertilization , are equally probable , the likelihood that in generation t , a given gene will unite with a gene from the same parent that is identical by descent is 1 / 2N ...
... gene copies at a locus . If all matings , including self - fertilization , are equally probable , the likelihood that in generation t , a given gene will unite with a gene from the same parent that is identical by descent is 1 / 2N ...
Pagina 137
... gene flow has the effect of homogenizing the genetic composition ( Box D ) , so that if gene flow is the only factor operating ( i.e. , if population sizes are so large that genetic drift may be ignored and if the alleles are ...
... gene flow has the effect of homogenizing the genetic composition ( Box D ) , so that if gene flow is the only factor operating ( i.e. , if population sizes are so large that genetic drift may be ignored and if the alleles are ...
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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