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 60
Recombination may be said to differ from mutation in that it is usually a reciprocal exchange of DNA sequences ( “ genes ” ) that are themselves not altered . However , crossing over is not always reciprocal , and it may occur within ...
Recombination may be said to differ from mutation in that it is usually a reciprocal exchange of DNA sequences ( “ genes ” ) that are themselves not altered . However , crossing over is not always reciprocal , and it may occur within ...
Pagina 65
In the heterozygous condition , a metacentric chromosome usually segregates normally from the homologous acrocentrics with which it pairs , so the gametes are usually euploid ( i.e. , have a complete haploid genome ) .
In the heterozygous condition , a metacentric chromosome usually segregates normally from the homologous acrocentrics with which it pairs , so the gametes are usually euploid ( i.e. , have a complete haploid genome ) .
Pagina 550
ARTIFICIAL SELECTION Selection by humans of a consciously chosen trait or combination of traits in a ( usually captive ) population ; differing from natural selection in that the criterion of survival and reproduction is the trait ...
ARTIFICIAL SELECTION Selection by humans of a consciously chosen trait or combination of traits in a ( usually captive ) population ; differing from natural selection in that the criterion of survival and reproduction is the trait ...
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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 |