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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Risultati 1-3 di 40
Pagina 156
... deleterious , the fitnesses of genotypes AA , AA ' , and A'A ' may be written as 1 , 1 , and 1 s , respectively . Then ŵ p2 ( 1 ) + 2pq ( 1 ) + q2 ( 1− s ) = 1 sq2 , and dw / dq = -2sq . Substituting this into the general equation , we ...
... deleterious , the fitnesses of genotypes AA , AA ' , and A'A ' may be written as 1 , 1 , and 1 s , respectively . Then ŵ p2 ( 1 ) + 2pq ( 1 ) + q2 ( 1− s ) = 1 sq2 , and dw / dq = -2sq . Substituting this into the general equation , we ...
Pagina 160
... deleterious alleles in Drosophila populations . As we noted in Chapter 4 , there is evidence that some of these alleles may actually confer superiority when heterozygous ( e.g. , Dobzhansky et al . 1960 ) , but that most are deleterious ...
... deleterious alleles in Drosophila populations . As we noted in Chapter 4 , there is evidence that some of these alleles may actually confer superiority when heterozygous ( e.g. , Dobzhansky et al . 1960 ) , but that most are deleterious ...
Pagina 211
... deleterious phenotypic effect of recurrent mutations at the locus in question . Thus in the presence of mm at the modifier locus , the phenotype of AA ' would be intermediate between the phenotypes of AA and A'A ' , but in the presence ...
... deleterious phenotypic effect of recurrent mutations at the locus in question . Thus in the presence of mm at the modifier locus , the phenotype of AA ' would be intermediate between the phenotypes of AA and A'A ' , but in the presence ...
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