Evolutionary BiologyFutuyma (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 75
Pagina 330
1 Average fitness , W w 1 0 1 Frequency of A А Frequency of B B W Frequency of
B 1 H Frequency of A L Frequency of B Frequency of A с D 8 A simple adaptive
landscape . ( A ) Mean fitness ū declines as the frequency of allele A increases ...
1 Average fitness , W w 1 0 1 Frequency of A А Frequency of B B W Frequency of
B 1 H Frequency of A L Frequency of B Frequency of A с D 8 A simple adaptive
landscape . ( A ) Mean fitness ū declines as the frequency of allele A increases ...
Pagina 356
But characteristics such as fecundity and viability , which are unquestionably
related to fitness in an intimate and consistent way , have a low heritability . Their
genetic variance is largely nonadditive . These traits , then , often do not change
as ...
But characteristics such as fecundity and viability , which are unquestionably
related to fitness in an intimate and consistent way , have a low heritability . Their
genetic variance is largely nonadditive . These traits , then , often do not change
as ...
Pagina 364
The fitness of the heterozygote is 1 , but that of the homozygote 10101/10101 is (
0.94 ) ? ( 0.75 ) 3 = 0.37 , while that of 01010/01010 is ( 0.94 ) 3 ( 0.75 ) 0.47 .
Then the frequency of the chromosome 10101 at equilibrium is ĝ = sl ( s + 1 ) =
0.63 ...
The fitness of the heterozygote is 1 , but that of the homozygote 10101/10101 is (
0.94 ) ? ( 0.75 ) 3 = 0.37 , while that of 01010/01010 is ( 0.94 ) 3 ( 0.75 ) 0.47 .
Then the frequency of the chromosome 10101 at equilibrium is ĝ = sl ( s + 1 ) =
0.63 ...
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Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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Parole e frasi comuni
adaptive advantageous alleles alterations ancestor appear arise associated average become behavior biological birds body bristle cause cent Chapter character characteristics chromosome common complex consists depends derived determined developmental differentiation direction Discuss distribution diversity dominant drift Drosophila ecological effect environment environmental enzyme equal equilibrium evidence evolution evolutionary evolved example exist extinction factors females Figure fitness fossil function gene flow gene frequency genetic genetic variation genotypes geographic greater growth heterozygotes higher highly human hybrid important increase individuals insects instances interactions isolated kinds less loci locus major males mating mean mechanisms mutation natural selection occur offspring organisms origin patterns phenotypic plants Pleistocene polymorphic population possible predators present probability produce proportion recombination relative reproduction response sexual similar single speciation species structure suggests theory tion variance vary
Informazioni bibliografiche
| Titolo | Evolutionary Biology |
| Autore | Douglas J. Futuyma |
| Illustrato da | Sarah Landry |
| Edizione | illustrata |
| Editore | Oxford University Press, Incorporated, 1979 |
| Provenienza dell'originale | la University of Michigan |
| Digitalizzato | 23 feb 2010 |
| ISBN | 0878931996, 9780878931996 |
| Lunghezza | 565 pagine |
| Esporta citazione | BiBTeX EndNote RefMan |