Evolutionary biology |
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Pagina 151
In biological evolution, such entities can be individual genes or larger portions of
the genome, individual organisms that differ in genotype, populations of
organisms, or species. Most of the theory of natural selection centers on
differential ...
In biological evolution, such entities can be individual genes or larger portions of
the genome, individual organisms that differ in genotype, populations of
organisms, or species. Most of the theory of natural selection centers on
differential ...
Pagina 152
Clearly many differences between genotypes may contribute to differences in
fitness. A difference in any value of lx up to the age of last reproduction may
constitute a difference in fitness; but after reproduction ceases, the individuals do
not ...
Clearly many differences between genotypes may contribute to differences in
fitness. A difference in any value of lx up to the age of last reproduction may
constitute a difference in fitness; but after reproduction ceases, the individuals do
not ...
Pagina 196
'"Home" is the environment to which the populations from which the
chromosomes were taken were adapted; "foreign" indicates tests in another
laboratory environment. netic variation among individuals of a genotype, due to
developmental ...
'"Home" is the environment to which the populations from which the
chromosomes were taken were adapted; "foreign" indicates tests in another
laboratory environment. netic variation among individuals of a genotype, due to
developmental ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency allozyme amino acid ancestor average become behavior biological birds bristle number Chapter character chromosome cladistic coefficient coevolution competition correlation Cretaceous deleterious developmental differentiation distribution diversity Drosophila Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rates factors favor females Figure fitness fossil record function gametes gene conversion gene flow genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding individual insects interactions Lewontin lineage linkage disequilibrium loci locus males mammals mating molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms parasites pattern phenotype phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes rate of evolution recombination region related species relative reproductive isolation sequence sexual similar South America speciation structure survival sympatric taxa taxon theory tion trait transposable elements variance