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 27
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 | |
8 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Parole e frasi comuni
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