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 96
Pagina 132
... population size is an unbalanced sex ratio . If , for example , males guard harems of females against other males , the few males that reproduce contribute disproportionately to ... POPULATIONS In a very large population , 132 Chapter Five.
... population size is an unbalanced sex ratio . If , for example , males guard harems of females against other males , the few males that reproduce contribute disproportionately to ... POPULATIONS In a very large population , 132 Chapter Five.
Pagina 136
... population is low ( r = 0.1 ) than if high ( r = 1.0 ) . ( After Nei et al . 1975 ) GENE FLOW The degree to which a population can be delimited from other populations depends on the level of GENE FLOW between them . The rate of gene ...
... population is low ( r = 0.1 ) than if high ( r = 1.0 ) . ( After Nei et al . 1975 ) GENE FLOW The degree to which a population can be delimited from other populations depends on the level of GENE FLOW between them . The rate of gene ...
Pagina 175
... populations of many mammals and insects has been in the range of a few tens to a few hundreds of individuals . In view of ecological estimates of effective population sizes ( Chapter 5 ) , these figures seem reasonable . POPULATION ...
... populations of many mammals and insects has been in the range of a few tens to a few hundreds of individuals . In view of ecological estimates of effective population sizes ( Chapter 5 ) , these figures seem reasonable . POPULATION ...
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