Evolutionary BiologyOxford University Press, Incorporated, 1979 - 565 pagine Futuyma (ecology and evolution, SUNY Stony Brook) covers such subject areas as phylogeny, paleobiology, genetic mechanisms of change and speciation, character evolution, the theory of processes and macroevolution, and new molecular perspectives. Numerous line drawings, charts, diagrams, and maps are provided. Annotation copyrighted by Book News, Inc., Portland, OR |
Dall'interno del libro
Risultati 1-3 di 47
Pagina 227
... dominant ( AA ) stock and a homo- zygous recessive ( aa ) stock , the F2 gener- ation shows a 3 : 1 ratio of dominant to recessive phenotypes . Isn't it reasonable , asked a naive geneticist in 1908 , to suppose that by its numerical ...
... dominant ( AA ) stock and a homo- zygous recessive ( aa ) stock , the F2 gener- ation shows a 3 : 1 ratio of dominant to recessive phenotypes . Isn't it reasonable , asked a naive geneticist in 1908 , to suppose that by its numerical ...
Pagina 316
... dominant - s ( 1 allele is eliminated at the rate Ap = -spq2 / [ 1 q2 ) ] . If the recessive allele A ' is ... dominant A increases at the rate Ap = spq / ( 1 - = - Gene frequency , p 1.0 A 0.8 0.6 Dominant 0.2 316 CHAPTER THIRTEEN.
... dominant - s ( 1 allele is eliminated at the rate Ap = -spq2 / [ 1 q2 ) ] . If the recessive allele A ' is ... dominant A increases at the rate Ap = spq / ( 1 - = - Gene frequency , p 1.0 A 0.8 0.6 Dominant 0.2 316 CHAPTER THIRTEEN.
Pagina 366
... dominant ; ( c ) overdominant ? A priori , do you suppose that additively acting or dominant alleles have a selective advantage ? 7 Can the pattern of inheritance of a trait evolve ? Can a trait evolve from being additively determined ...
... dominant ; ( c ) overdominant ? A priori , do you suppose that additively acting or dominant alleles have a selective advantage ? 7 Can the pattern of inheritance of a trait evolve ? Can a trait evolve from being additively determined ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
Copyright | |
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AA AA AA adaptive adaptive radiation advantageous alleles ancestor arise artificial selection average become behavior biological birds bristle number cent Chapter character characteristics chromosome coefficient complex correlated deleterious depends developmental differentiation distribution diversity Dobzhansky dominant Drosophila ecological effect environment environmental enzyme epistasis epistatic equilibrium evidence evolutionary change evolved example extinction factors females Figure fitness flies fossil record function gametes gene flow gene frequency genetic change genetic drift genetic variation genome genotypes geographic habitats heterozygotes heterozygous homozygotes homozygous host human hybrid inbreeding increase individuals insects interactions less Lewontin linkage disequilibrium loci locus major males mammals mating Mayr mechanisms morphological mutation rates natural selection niche number of species occur offspring organisms overdominance patterns phenotypic phylogenetic plants pollen polymorphic population predators probability protein random rate of evolution recombination reproductive isolation response sexual similar single speciation structure survival sympatric theory tion traits variance vary