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 69
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 - V = n1 ( X1 − x ) 2 + n2 ( X2 − x ) 2 + . . . + nk ( Xk − x ) 2 - n V v = ( 1⁄2 sixt ) - 7 = k Σfi ( X ; - x ) 2 i = 1 i = 1 Note that a variance is always positive ; that the farther an observation is ...
... variance can be written or - V = n1 ( X1 − x ) 2 + n2 ( X2 − x ) 2 + . . . + nk ( Xk − x ) 2 - n V v = ( 1⁄2 sixt ) - 7 = k Σfi ( X ; - x ) 2 i = 1 i = 1 Note that a variance is always positive ; that the farther an observation is ...
Altre edizioni - Visualizza tutto
Parole e frasi comuni
adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance