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 12
Pagina 125
... overdominance ; if d = 0 , there is no dominance , since the hetero- zygote is exactly intermediate between the ... overdominant ( d > 0 ) , the mean declines linearly with the degree of inbreeding ( this is called inbreeding depression ) ...
... overdominance ; if d = 0 , there is no dominance , since the hetero- zygote is exactly intermediate between the ... overdominant ( d > 0 ) , the mean declines linearly with the degree of inbreeding ( this is called inbreeding depression ) ...
Pagina 165
... overdominant for fitness if the heterozygote has average superiority over a variety of environmental condi- tions ... overdominance . Although heterozygous advantage is theoretically a potent force for main- taining polymorphism , and ...
... overdominant for fitness if the heterozygote has average superiority over a variety of environmental condi- tions ... overdominance . Although heterozygous advantage is theoretically a potent force for main- taining polymorphism , and ...
Pagina 554
... OVERDOMINANCE The expression by two alleles in het- erozygous condition of a phenotypic value for some characteristic that lies outside the range of the two cor- responding homozygotes ; a possible basis for HETEROSIS , but not the only ...
... OVERDOMINANCE The expression by two alleles in het- erozygous condition of a phenotypic value for some characteristic that lies outside the range of the two cor- responding homozygotes ; a possible basis for HETEROSIS , but not the only ...
Altre edizioni - Visualizza tutto
Parole e frasi comuni
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