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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Pagina 70
... appear to transpose via reverse transcription of their RNA transcript ; their structure resembles that of retrovirus DNA , and they appear to encode reverse transcriptase ( Baltimore 1985 ) . Transposable elements very frequently affect ...
... appear to transpose via reverse transcription of their RNA transcript ; their structure resembles that of retrovirus DNA , and they appear to encode reverse transcriptase ( Baltimore 1985 ) . Transposable elements very frequently affect ...
Pagina 299
... appear early in the fossil record , in an extinct lineage , while the related lineage leading to a living group may retain a primitive character state until much later . To use an absurd example , birds appear earlier in the fossil ...
... appear early in the fossil record , in an extinct lineage , while the related lineage leading to a living group may retain a primitive character state until much later . To use an absurd example , birds appear earlier in the fossil ...
Pagina 340
... appear to have become differentiated at this time . A mid - Cretaceous ( 100 Myr B.P. ) fossil , Sphecomyrma ( Figure 17 ) , signals the evolution of the ant family from wasps ; by the time ants are found in abundance , in Baltic amber ...
... appear to have become differentiated at this time . A mid - Cretaceous ( 100 Myr B.P. ) fossil , Sphecomyrma ( Figure 17 ) , signals the evolution of the ant family from wasps ; by the time ants are found in abundance , in Baltic amber ...
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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