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 94
... flies . A better estimate of the true prevalence of mutations comes from the study of more unambiguously ... flies of which one - fourth are expected to be homozygous for the wild chromosome . The degree of deviation from the expected ...
... flies . A better estimate of the true prevalence of mutations comes from the study of more unambiguously ... flies of which one - fourth are expected to be homozygous for the wild chromosome . The degree of deviation from the expected ...
Pagina 213
... flies almost invariably have four bristles , as do heterozygotes for the recessive mutant scute ( sc ) . The scute homozygote ( scsc ) has a lower , more variable number of bristles . Selection in a homozygous scsc population can change ...
... flies almost invariably have four bristles , as do heterozygotes for the recessive mutant scute ( sc ) . The scute homozygote ( scsc ) has a lower , more variable number of bristles . Selection in a homozygous scsc population can change ...
Pagina 235
... flies of this species appear to carry P factors ( and have compatible , P - type , cytoplasm ) at present , whereas laboratory stocks derived from flies captured before the 1950s lack P elements , have M - type cytoplasm , and display ...
... flies of this species appear to carry P factors ( and have compatible , P - type , cytoplasm ) at present , whereas laboratory stocks derived from flies captured before the 1950s lack P elements , have M - type cytoplasm , and display ...
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