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 213
... variable number of bristles . Selection in a homozygous scsc population can change the mean bristle number , so there is polygenic variation for the trait that is ordinarily not ex- pressed ; scutellar bristle number in ++ flies is ...
... variable number of bristles . Selection in a homozygous scsc population can change the mean bristle number , so there is polygenic variation for the trait that is ordinarily not ex- pressed ; scutellar bristle number in ++ flies is ...
Pagina 215
... variable ( Figure 11 ) . Lande ( 1978 ) modified his model ( page 201 ) of evolution of a polygenic character to take such thresholds into account . If h2 is the heritability of the underlying character and s is the selection ...
... variable ( Figure 11 ) . Lande ( 1978 ) modified his model ( page 201 ) of evolution of a polygenic character to take such thresholds into account . If h2 is the heritability of the underlying character and s is the selection ...
Pagina 545
... variables . Figure 2 plots the data from Table III and introduces another measure of association between Y and X. If Y depends on or is caused by X , it is a dependent variable , and X is the independent variable ; for example , Y might ...
... variables . Figure 2 plots the data from Table III and introduces another measure of association between Y and X. If Y depends on or is caused by X , it is a dependent variable , and X is the independent variable ; for example , Y might ...
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 Biol biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlation developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example extinction factors females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic heritability heterozygotes heterozygous homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms paedomorphosis pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination segments sexual similar speciation structure sympatric Syst theory tion traits transposable elements University Press variable variance vertebrates York