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 451
The number of elements ( copies ) in a gene family ranges from two to more than 10 ° ; the human genome , for example , contains the Alu family of more than 500,000 copies , among which there is only minor variation in nucleotide ...
The number of elements ( copies ) in a gene family ranges from two to more than 10 ° ; the human genome , for example , contains the Alu family of more than 500,000 copies , among which there is only minor variation in nucleotide ...
Pagina 460
There is little evidence that small differences in the number of copies in a gene family have a substantial effect on fitness simply because of total DNA content . Rather , amplification of the number of copies is likely to affect ...
There is little evidence that small differences in the number of copies in a gene family have a substantial effect on fitness simply because of total DNA content . Rather , amplification of the number of copies is likely to affect ...
Pagina 464
For example , about 400 copies of a sequence carrying the 18S rRNA and 285 rRNA genes and a nontranscribed spacer ( NTS ) are distributed over five chromosomes in the human genome ( Figure 1 ) . Each of these units has a recognition ...
For example , about 400 copies of a sequence carrying the 18S rRNA and 285 rRNA genes and a nontranscribed spacer ( NTS ) are distributed over five chromosomes in the human genome ( Figure 1 ) . Each of these units has a recognition ...
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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 |