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 67
Pagina 185
... present ( D = −1⁄4 ) . If coupling gametes are present in excess , recombination in the double heterozygote ( AB / A'B ' ) gives rise to repulsion gametes , so that D declines from generation to generation at the rate D1 = D。( 1 − R ) ...
... present ( D = −1⁄4 ) . If coupling gametes are present in excess , recombination in the double heterozygote ( AB / A'B ' ) gives rise to repulsion gametes , so that D declines from generation to generation at the rate D1 = D。( 1 − R ) ...
Pagina 343
... present . Whatever genetic or ecological equilibria may have ex- isted before the Pleistocene were probably destabilized by its vicissitudes ; there has not been enough time since then for genetic and ecological equilibria to be fully ...
... present . Whatever genetic or ecological equilibria may have ex- isted before the Pleistocene were probably destabilized by its vicissitudes ; there has not been enough time since then for genetic and ecological equilibria to be fully ...
Pagina 382
... present distribution in South America and Madagascar is surely a consequence of continental drift followed by widespread extinction . The fossil record of many other groups with a disjunct southern continent distribution , such as the ...
... present distribution in South America and Madagascar is surely a consequence of continental drift followed by widespread extinction . The fossil record of many other groups with a disjunct southern continent distribution , such as 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