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 56
Pagina 214
... variable called " Make . " The notations 0/1 and so forth mark the threshold values of " Make " at which the bristle number is changed by 1. Development is canalized at 4 bristles ; i.e. , there is no change in bristle number despite a ...
... variable called " Make . " The notations 0/1 and so forth mark the threshold values of " Make " at which the bristle number is changed by 1. Development is canalized at 4 bristles ; i.e. , there is no change in bristle number despite a ...
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 522
... variable loci , there is no locus that is fixed for different alleles in different " races . " Partitioning the total genetic variation among and within pop- ulations , about 85 percent of the variation is among individuals within ...
... variable loci , there is no locus that is fixed for different alleles in different " races . " Partitioning the total genetic variation among and within pop- ulations , about 85 percent of the variation is among individuals within ...
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