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. |
Dall'interno del libro
Risultati 1-3 di 47
Pagina 166
... advantage if it conforms to the majority phenotype . Either allele A or A ' will then have a selective advantage if it is sufficiently frequent , and will then become fixed . It is easy to imagine such situations : for example ...
... advantage if it conforms to the majority phenotype . Either allele A or A ' will then have a selective advantage if it is sufficiently frequent , and will then become fixed . It is easy to imagine such situations : for example ...
Pagina 282
... advantage they may impart to sexual reproduction is sufficient to counteract its twofold disadvantage . Intense selection for recombinant genotypes is necessary , and this may be possible only in highly fecund organisms ( Williams 1975 ) ...
... advantage they may impart to sexual reproduction is sufficient to counteract its twofold disadvantage . Intense selection for recombinant genotypes is necessary , and this may be possible only in highly fecund organisms ( Williams 1975 ) ...
Pagina 470
... advantage over other sequences ( Nagylaki and Petes 1982 , Walsh 1985b ) . However , most mutant sequences are unlikely to have a conversion advantage over a prevalent sequence , because most variants will have arisen at one time or ...
... advantage over other sequences ( Nagylaki and Petes 1982 , Walsh 1985b ) . However , most mutant sequences are unlikely to have a conversion advantage over a prevalent sequence , because most variants will have arisen at one time or ...
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 biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance