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 53
Pagina 85
... equal numbers , the allele frequencies P1 , P2 , 91 and q2 all equal 1⁄2 , but only two kinds of gametes are formed , AB and A'B ' , each with a frequency of 2 . Thus D = ( 1⁄2 × 1⁄2 ) — ( 0 × 0 ) ( 0 × 0 ) = 4. The population is said ...
... equal numbers , the allele frequencies P1 , P2 , 91 and q2 all equal 1⁄2 , but only two kinds of gametes are formed , AB and A'B ' , each with a frequency of 2 . Thus D = ( 1⁄2 × 1⁄2 ) — ( 0 × 0 ) ( 0 × 0 ) = 4. The population is said ...
Pagina 138
... equal that in the source population . Similarly , in the island model of gene flow among a multitude of populations the equilibrium allele frequency in population i will approach 7 , the mean allele frequency . - - - - If the ...
... equal that in the source population . Similarly , in the island model of gene flow among a multitude of populations the equilibrium allele frequency in population i will approach 7 , the mean allele frequency . - - - - If the ...
Pagina 200
... equals the additive genetic variance in fitness . If the population is at allele frequency equilibrium , mean ... equal the selection differential . If h2 < 1 , the slope of the offspring - mid- parent relation is lower ( Figure 4 ) ...
... equals the additive genetic variance in fitness . If the population is at allele frequency equilibrium , mean ... equal the selection differential . If h2 < 1 , the slope of the offspring - mid- parent relation is lower ( Figure 4 ) ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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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