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 200
... trait and fitness , the closer to zero VA will be for that trait ( ignoring the input of variation by mutation and gene flow ) . At equilibrium , the trait may display genetic variance , but it is nonadditive in nature . For example ...
... trait and fitness , the closer to zero VA will be for that trait ( ignoring the input of variation by mutation and gene flow ) . At equilibrium , the trait may display genetic variance , but it is nonadditive in nature . For example ...
Pagina 206
... trait such as bristle number does not in itself affect fitness , but that the trait in question is the pleiotropic by - product of genes that do affect fitness . For example , survival of Drosophila melanogaster in the larval stage is ...
... trait such as bristle number does not in itself affect fitness , but that the trait in question is the pleiotropic by - product of genes that do affect fitness . For example , survival of Drosophila melanogaster in the larval stage is ...
Pagina 253
... trait , because ecologically similar species may be closely related and therefore share a trait solely because of common ancestry . They will not provide independent evidence that the trait is an adap- tation to that ecological ...
... trait , because ecologically similar species may be closely related and therefore share a trait solely because of common ancestry . They will not provide independent evidence that the trait is an adap- tation to that ecological ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive advantage allele allele frequency animals appear arise associated average become behavior biological cause cells Chapter characteristics characters chromosome common competition condition conversion copies correlation depends determined developmental differentiation distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist expression extinction factors Figure fitness fossil frequency function gene genetic genetic drift genome genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less linkage loci locus lower major males mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotypic plants Pleistocene polymorphism population possible predators Press probability proteins reduced region relationships relative represent reproductive response sequence similar single speciation species structure taxa term theory tion traits variance variation vary