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 20
Pagina 465
... conversion changes identity but not number . Un- equal crossing over affects only tandemly repeated genes , but gene conversion is known to occur between distantly located genes on the same chromatid , on homologous chromosomes , and on ...
... conversion changes identity but not number . Un- equal crossing over affects only tandemly repeated genes , but gene conversion is known to occur between distantly located genes on the same chromatid , on homologous chromosomes , and on ...
Pagina 467
... conversion contribute to concerted evolution . For example , the nucleotide sequence is homogeneous among rRNA genes ... conversion ( Figure 11 ) within a chromosome that does not undergo crossing over . A mutant sequence b converts one ...
... conversion contribute to concerted evolution . For example , the nucleotide sequence is homogeneous among rRNA genes ... conversion ( Figure 11 ) within a chromosome that does not undergo crossing over . A mutant sequence b converts one ...
Pagina 470
... conversion rate λ ( even though any given sequence is farther from fixation at equilibrium ) . Recom- bination may either increase or decrease the time to reach equilibrium , depending on the values of other parameters . The numerical ...
... conversion rate λ ( even though any given sequence is farther from fixation at equilibrium ) . Recom- bination may either increase or decrease the time to reach equilibrium , depending on the values of other parameters . The numerical ...
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