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 198
... variance in viability . As larvae , these genotypes also differ in their tendency to avoid ethanol ( Cavener 1979 ) . Hence if there were fine - scaled variation in ethanol at the larval feeding sites , the variance in viability would ...
... variance in viability . As larvae , these genotypes also differ in their tendency to avoid ethanol ( Cavener 1979 ) . Hence if there were fine - scaled variation in ethanol at the larval feeding sites , the variance in viability would ...
Pagina 200
... variance components ( Table II ) show an interesting regularity in that the proportion of the genetic variance that is nonadditive ( VD + V1 ) is relatively greater in traits such as egg production that ought to be strongly correlated ...
... variance components ( Table II ) show an interesting regularity in that the proportion of the genetic variance that is nonadditive ( VD + V1 ) is relatively greater in traits such as egg production that ought to be strongly correlated ...
Pagina 542
... variance can be written or n1 ( X1 − x ) 2 + n2 ( X2 − x ) 2 + . . . + nk ( Xk − x ) 2 V = n = k Σfi ( X ; - x ) 2 i = 1 k V = ( Ź fix ? ) - Σ i = 1 Note that a variance is always positive ; that the farther an observation is from ...
... variance can be written or n1 ( X1 − x ) 2 + n2 ( X2 − x ) 2 + . . . + nk ( Xk − x ) 2 V = n = k Σfi ( X ; - x ) 2 i = 1 k V = ( Ź fix ? ) - Σ i = 1 Note that a variance is always positive ; that the farther an observation is from ...
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