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. |
Dall'interno del libro
Risultati 1-3 di 62
Pagina 205
... CORRELATIONS The correlation coefficient between traits x and y , ry , ranges from +1 for perfectly positively correlated characters to -1 for negatively correlated characters ( see Appendix I ) . The PHENOTYPIC CORRELATION rp between ...
... CORRELATIONS The correlation coefficient between traits x and y , ry , ranges from +1 for perfectly positively correlated characters to -1 for negatively correlated characters ( see Appendix I ) . The PHENOTYPIC CORRELATION rp between ...
Pagina 206
... correlations between traits are primarily caused by pleiotropy . Since virtually all genes appear to have numerous pleiotropic effects ( Wright 1968 ) , most characters are likely to be correlated with some other characters . Pleiotropy ...
... correlations between traits are primarily caused by pleiotropy . Since virtually all genes appear to have numerous pleiotropic effects ( Wright 1968 ) , most characters are likely to be correlated with some other characters . Pleiotropy ...
Pagina 210
... correlated response to selection on abdominal bristles , Davies and Workman ( 1971 ) showed that the correlation was due more to linkage than to pleiotropy by successfully selecting these characteristics in opposite directions in the ...
... correlated response to selection on abdominal bristles , Davies and Workman ( 1971 ) showed that the correlation was due more to linkage than to pleiotropy by successfully selecting these characteristics in opposite directions in 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 amino acid ancestor average behavior biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlated deleterious developmental differentiation distribution divergence Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups heritability heterozygotes heterozygous higher taxa homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mean mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes random recombination related species relative reproductive isolation segments sexual similar speciation structure survival sympatric theory tion traits transposable elements variable variance vertebrates