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 65
Pagina 96
... heterozygous condition , but that the majority of them are partially dominant , i.e. , they reduce fitness both in the heterozygous and homozygous state . VARIATION IN PROTEINS It was not possible to tell what fraction of loci were ...
... heterozygous condition , but that the majority of them are partially dominant , i.e. , they reduce fitness both in the heterozygous and homozygous state . VARIATION IN PROTEINS It was not possible to tell what fraction of loci were ...
Pagina 98
... heterozygous per individual 65565 0.33 0.148 0.28 0.106 0.28 0.099 0.33 0.143 0.28 0.081 0.30 0.115 ( After Lewontin and Hubby 1966 ) that the polymorphic loci have so many alleles ( 2–6 ) at such high frequencies that an average fly is ...
... heterozygous per individual 65565 0.33 0.148 0.28 0.106 0.28 0.099 0.33 0.143 0.28 0.081 0.30 0.115 ( After Lewontin and Hubby 1966 ) that the polymorphic loci have so many alleles ( 2–6 ) at such high frequencies that an average fly is ...
Pagina 163
... heterozygous superiority at a single locus is that of sickle - cell hemoglobin . Persons homozygous for Hb suffer ... heterozygous advantage under malarial conditions in human populations . Apparent heterozygous advantage has been ...
... heterozygous superiority at a single locus is that of sickle - cell hemoglobin . Persons homozygous for Hb suffer ... heterozygous advantage under malarial conditions in human populations . Apparent heterozygous advantage has been ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
8 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Parole e frasi comuni
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