Evolutionary BiologyCovers 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. |
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Pagina 124
( If heterozygotes have the greatest value , the locus is said to be
OVERDOMINANT ) . ... Conversely , outbreeding , by increasing the frequency of
heterozygotes and so concealing more of the recessive alleles , can increase the
mean - a ...
( If heterozygotes have the greatest value , the locus is said to be
OVERDOMINANT ) . ... Conversely , outbreeding , by increasing the frequency of
heterozygotes and so concealing more of the recessive alleles , can increase the
mean - a ...
Pagina 165
In principle , it is possible for a single locus to be overdominant for fitness if the
heterozygote has average superiority over ... conditions , survival of the
heterozygotes was more uniform , and on average higher , over the range of
environments .
In principle , it is possible for a single locus to be overdominant for fitness if the
heterozygote has average superiority over ... conditions , survival of the
heterozygotes was more uniform , and on average higher , over the range of
environments .
Pagina 196
TABLE III Relative asymmetry of sternopleural bristle number in Drosophila
melanogaster Genotype Environment Total asymmetry Homozygotes 363 451
351 Home Foreign Home Foreign Home Foreign Intrapopulation heterozygotes ...
TABLE III Relative asymmetry of sternopleural bristle number in Drosophila
melanogaster Genotype Environment Total asymmetry Homozygotes 363 451
351 Home Foreign Home Foreign Home Foreign Intrapopulation heterozygotes ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
ADAPTATION AND ENVIRONMENT | 19 |
COMPLEX INTERACTIONS AMONG SPECIES | 34 |
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adaptive advantage allele allele frequency America appear arise associated average become behavior biological birds caused Chapter characteristics characters chromosome common competition conversion copies correlation depends described determined developmental differentiation direct distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist expression extinction factors Figure fitness fossil frequency function gene genetic genetic drift genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less lineage loci locus lower major males mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotype plants Pleistocene polymorphism population possible predators probability reduced region relationships relative represent reproductive response separate sequence similar single speciation species structure taxa term theory tion trait usually variance variation vary
Informazioni bibliografiche
| Titolo | Evolutionary Biology |
| Autore | Douglas J. Futuyma |
| Edizione | 2, illustrata |
| Editore | Sinauer Associates, 1986 |
| Provenienza dell'originale | la University of Michigan |
| Digitalizzato | 27 gen 2010 |
| ISBN | 0878931880, 9780878931880 |
| Lunghezza | 600 pagine |
| Esporta citazione | BiBTeX EndNote RefMan |