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 15
are deleterious when heterozygous and advantageous when homozygous , but only observation can tell us if such mutations exist and are common . Likewise , observation can tell us which of the innumerable complexities that might exist are ...
are deleterious when heterozygous and advantageous when homozygous , but only observation can tell us if such mutations exist and are common . Likewise , observation can tell us which of the innumerable complexities that might exist are ...
Pagina 74
Rather , observed responses to selection are based on the larger store of variation in the population that has originated by mutation in the past ( Chapter 7 ) . But the mutation rate is high in the sense that it can rather quickly ...
Rather , observed responses to selection are based on the larger store of variation in the population that has originated by mutation in the past ( Chapter 7 ) . But the mutation rate is high in the sense that it can rather quickly ...
Pagina 164
Despite such observations , it is very difficult to show that specific loci confer higher fitness when they are heterozygous , because closely linked loci that are not directly observed may cause the difference in fitness .
Despite such observations , it is very difficult to show that specific loci confer higher fitness when they are heterozygous , because closely linked loci that are not directly observed may cause the difference in fitness .
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
Chapter | 18 |
THE EFFECT OF DENSITY | 24 |
Copyright | |
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adaptive advantage allele allele frequency America appear arise average become behavior biological birds cause Chapter characteristics characters chromosome common competition complex copies correlation depends described determined developmental differentiation direct distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist 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 mating mean mechanisms morphological mutation natural selection observed occur organisms origin pairs pattern phenotype plants Pleistocene population possible predators prey probability reduced region relationships relative represent reproductive response separated 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 |