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 132
... reduced virtuaily to zero after 14 generations of strong artificial selection that reduced population size to 4 or 8 pairs ; but there was still variation in selected lines that had been kept at 16 pairs . 2 The effective population ...
... reduced virtuaily to zero after 14 generations of strong artificial selection that reduced population size to 4 or 8 pairs ; but there was still variation in selected lines that had been kept at 16 pairs . 2 The effective population ...
Pagina 135
... reduced , the degree of heterozygosity , and hence the genetic variance , is almost as high as in the source population . [ On average it is ( 1 - 1 / 2N ) Ho , where Ho is the proportion of heterozygotes in the source population and N ...
... reduced , the degree of heterozygosity , and hence the genetic variance , is almost as high as in the source population . [ On average it is ( 1 - 1 / 2N ) Ho , where Ho is the proportion of heterozygotes in the source population and N ...
Pagina 479
... reduced " to the other . For such reduction to be successful , it is necessary to show that all the theories and laws of the science to be reduced are logical consequences of the theories and laws of the other science , and that all the ...
... reduced " to the other . For such reduction to be successful , it is necessary to show that all the theories and laws of the science to be reduced are logical consequences of the theories and laws of the other science , and that all the ...
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