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 465
... copies of a transposable element have the identical nucleotide sequence , assuming that the excision rate is high , so that the average number of copies per genome , n , is low . As transposable elements turn over by transposition and ...
... copies of a transposable element have the identical nucleotide sequence , assuming that the excision rate is high , so that the average number of copies per genome , n , is low . As transposable elements turn over by transposition and ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior Biol biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlation developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example extinction factors females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic heritability heterozygotes heterozygous homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms paedomorphosis pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination segments sexual similar speciation structure sympatric Syst theory tion traits transposable elements University Press variable variance vertebrates York