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 208
... bristle number in the various replicates had increased by 20-30 bristles over the original value - an increase of 12-19 phenotypic standard deviations , or 28-43 additive genetic standard deviations ( the square root of the additive ...
... bristle number in the various replicates had increased by 20-30 bristles over the original value - an increase of 12-19 phenotypic standard deviations , or 28-43 additive genetic standard deviations ( the square root of the additive ...
Pagina 213
... bristle number in ++ flies is highly canalized . Rendel postulated that bristle number is affected by an underlying character , perhaps a substance used in bristle formation , that has a continuous distribution in the population much ...
... bristle number in ++ flies is highly canalized . Rendel postulated that bristle number is affected by an underlying character , perhaps a substance used in bristle formation , that has a continuous distribution in the population much ...
Pagina 214
... bristles ; i.e. , there is no change in bristle number despite a large change in " Make . " ( B ) The distribution of “ Make ” in female flies of three genotypes at the scute locus ( sc ) . Both ++ and + sc lie within the canalization ...
... bristles ; i.e. , there is no change in bristle number despite a large change in " Make . " ( B ) The distribution of “ Make ” in female flies of three genotypes at the scute locus ( sc ) . Both ++ and + sc lie within the canalization ...
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