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. |
Dall'interno del libro
Risultati 1-3 di 67
Pagina 121
... mating and ( B ) parent - offspring mating . Squares represent males , circles females . Cop- ies of an A , allele , A , are traced through three generations . Individual I possesses alleles that are identical by descent at this locus ...
... mating and ( B ) parent - offspring mating . Squares represent males , circles females . Cop- ies of an A , allele , A , are traced through three generations . Individual I possesses alleles that are identical by descent at this locus ...
Pagina 146
... MATING BASED ON PHENOTYPE This chapter opened with a discussion of deviations from random mating that arise owing to mating among relatives . As we have seen , inbreeding affects genotype frequencies at all loci in the genome in the ...
... MATING BASED ON PHENOTYPE This chapter opened with a discussion of deviations from random mating that arise owing to mating among relatives . As we have seen , inbreeding affects genotype frequencies at all loci in the genome in the ...
Pagina 243
... mating will increase and accomplish cessation of in- terbreeding ( separation ) if the fitness of the hybrid is low and the initial frequency of er- rors in mating is also low . " Flow " is the level of gene flow between the populations ...
... mating will increase and accomplish cessation of in- terbreeding ( separation ) if the fitness of the hybrid is low and the initial frequency of er- rors in mating is also low . " Flow " is the level of gene flow between the populations ...
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