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 130
... random change in allele frequencies is termed RANDOM GE- NETIC DRIFT ( or just genetic drift ) . So far , we have considered the effects of genetic drift on the frequencies of different alleles that are NEUTRAL with respect to fitness ...
... random change in allele frequencies is termed RANDOM GE- NETIC DRIFT ( or just genetic drift ) . So far , we have considered the effects of genetic drift on the frequencies of different alleles that are NEUTRAL with respect to fitness ...
Pagina 138
... random from within a population are identical by descent ) and with FIT ( the probability that two genes taken at random from the entire set of populations are identical by descent ) . The relationship among these inbreeding ...
... random from within a population are identical by descent ) and with FIT ( the probability that two genes taken at random from the entire set of populations are identical by descent ) . The relationship among these inbreeding ...
Pagina 468
... Random genetic drift b 2 Individuals a a b b a a b a b a 90 a a a a a a b b a a b b a b a a a a a a 1 Gene conversion Gamete pool , union of gametes . Random genetic drift a a a a 20 a a a a 2 Individuals b b a a b b a a FIGURE 11 The ...
... Random genetic drift b 2 Individuals a a b b a a b a b a 90 a a a a a a b b a a b b a b a a a a a a 1 Gene conversion Gamete pool , union of gametes . Random genetic drift a a a a 20 a a a a 2 Individuals b b a a b b a a FIGURE 11 The ...
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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