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 78
Pagina 269
If F 0 , the mean to equals p2a + 2pqd – q'a . In a population inbred to the degree F , the mean xr equals a [ p ? ( 1 – F ) + pF ] + d [ 2p9 ( 1 – F ) ] – a [ q ? ( 1 – F ) + qF ] ap ? – ap - F + apF + 2pqd – 2pqFd – aq ? + aFq ?
If F 0 , the mean to equals p2a + 2pqd – q'a . In a population inbred to the degree F , the mean xr equals a [ p ? ( 1 – F ) + pF ] + d [ 2p9 ( 1 – F ) ] – a [ q ? ( 1 – F ) + qF ] ap ? – ap - F + apF + 2pqd – 2pqFd – aq ? + aFq ?
Pagina 370
Moreover mean body size declined in the S lines and increased in the D lines . Thus the responses of populations to artificial selection may be surprising , and they are likely to be at least as complicated under natural selection .
Moreover mean body size declined in the S lines and increased in the D lines . Thus the responses of populations to artificial selection may be surprising , and they are likely to be at least as complicated under natural selection .
Pagina 371
The main features of the results are these : Mean bristle number changed dramatically in the first 20 to 30 generations , from 36 to 25 in the " low " line ( 1 ) , and to 56 in the " high " line ( 3 ) . 60 Лов www 56 mu 52 48 1.3 Mean ...
The main features of the results are these : Mean bristle number changed dramatically in the first 20 to 30 generations , from 36 to 25 in the " low " line ( 1 ) , and to 56 in the " high " line ( 3 ) . 60 Лов www 56 mu 52 48 1.3 Mean ...
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Sommario
The Origin and Impact of Evolutionary Thought | 3 |
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
Copyright | |
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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 |