Evolutionary BiologySinauer Associates, 1986 - 600 pagine Covers 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
... ( 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 vari- ation in nucleotide sequence . The number of ...
... ( 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 vari- ation in nucleotide sequence . The number of ...
Pagina 460
... 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 fitness because of variation in the quantity of the specific gene ...
... 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 fitness because of variation in the quantity of the specific gene ...
Pagina 464
... copies of a sequence carrying the 18S rRNA and 28S rRNA genes and a nontranscribed spacer ( NTS ) are distributed over five chro- mosomes in the human genome ( Figure 1 ) . Each of these units has a recognition site for the restriction ...
... copies of a sequence carrying the 18S rRNA and 28S rRNA genes and a nontranscribed spacer ( NTS ) are distributed over five chro- mosomes in the human genome ( Figure 1 ) . Each of these units has a recognition site for the restriction ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency amino acid ancestor average behavior biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlated deleterious developmental differentiation distribution divergence Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups heritability heterozygotes heterozygous higher taxa homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mean mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes random recombination related species relative reproductive isolation segments sexual similar speciation structure survival sympatric theory tion traits transposable elements variable variance vertebrates