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 68
Pagina 54
... enzyme is likely to depend on which cells express the gene and at what point in development , on the amount of enzyme synthesized , and on the activity of the enzyme . If an enzyme acts by , say , converting precursor X into pigment Y ...
... enzyme is likely to depend on which cells express the gene and at what point in development , on the amount of enzyme synthesized , and on the activity of the enzyme . If an enzyme acts by , say , converting precursor X into pigment Y ...
Pagina 97
... enzyme are presumably genetically the same . So it is possible to identify an invariant gene locus by finding an invariant enzyme . By taking a random sample of all kinds of enzymes and determining what fraction of them is genetically ...
... enzyme are presumably genetically the same . So it is possible to identify an invariant gene locus by finding an invariant enzyme . By taking a random sample of all kinds of enzymes and determining what fraction of them is genetically ...
Pagina 181
... enzymes have provided strongly suggestive evidence that allozyme genotypes differ in fitness when the appropriate substrate for the enzyme is provided ( Koehn et al . 1983 ) . This technique is especially useful if the organism can be ...
... enzymes have provided strongly suggestive evidence that allozyme genotypes differ in fitness when the appropriate substrate for the enzyme is provided ( Koehn et al . 1983 ) . This technique is especially useful if the organism can be ...
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 Amer amino acid ancestor animals average behavior Biol biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlation developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example extinction factors females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic heritability heterozygotes heterozygous homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms paedomorphosis pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination segments sexual similar speciation structure sympatric Syst theory tion traits transposable elements University Press variable variance vertebrates York