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 277
... males over others constitutes intersexual selection ; for example , females of an African widowbird ( Euplectes progne ) , a kind of finch in which the males have extremely long tail feathers , mate selectively with longer - tailed males ...
... males over others constitutes intersexual selection ; for example , females of an African widowbird ( Euplectes progne ) , a kind of finch in which the males have extremely long tail feathers , mate selectively with longer - tailed males ...
Pagina 278
... males relative to T , males . If alleles P , and P2 do not affect females ' survival or fecundity , they are selectively neutral . Because T2 males are both acceptable to P , females and actively preferred by P2 females , T2 increases ...
... males relative to T , males . If alleles P , and P2 do not affect females ' survival or fecundity , they are selectively neutral . Because T2 males are both acceptable to P , females and actively preferred by P2 females , T2 increases ...
Pagina 531
... males , and even the frequency of promiscuous versus nonpromiscuous males - none of which we know . In such a vacuum , it is easy to construct a sociobiological scenario that would " predict " any conceivable obser- vation . It is ...
... males , and even the frequency of promiscuous versus nonpromiscuous males - none of which we know . In such a vacuum , it is easy to construct a sociobiological scenario that would " predict " any conceivable obser- vation . It is ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency amino acid ancestor average behavior biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlated deleterious developmental differentiation distribution divergence Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups heritability heterozygotes heterozygous higher taxa homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mean mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes random recombination related species relative reproductive isolation segments sexual similar speciation structure survival sympatric theory tion traits transposable elements variable variance vertebrates