Philopatry, Inbreeding, and the Evolution of Sex
SUNY Press, 1982 M01 1 - 245 páginas
In this comprehensive synthesis, William M. Shields introduces a provocative new hypothesis linking the previously disconnected topics of philopatry, inbreeding, and sex. Shields draws widely from theory and data in genetics, ecology, and behavior in exploring the evolutionary causes and consequences of philopatric (localized) and vagrant dispersal, inbreeding and outbreeding mating systems, and asexual and sexual reproduction. His resulting hypothesis, that philopatry evolved because it increases inbreeding intensity and that inbreeding has survival value, has profound implications for the future study of evolutionary theory.
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adaptive alleles ancestors argument asexuality associated Barrowclough behavior Biol breeding chromosomes coadapted consequences correlation cost of meiosis Crow and Kimura deleterious demes dialects dispersal distances disruption dividuals Dobzhansky Drosophila ecological effective population size Endler environment epistasis Evolution evolutionary expected favored female Fisher ﬁtness fixation frequency function gametes gene flow genomes genotype geographic heterosis heterotic heterozygotes high fecundity home range homozygotes homozygous hybrid hypothesis inbred inbreeding depression inbreeding intensity incest increase individuals intense inbreeding interacting levels of inbreeding loci locus low fecundity organisms males mating system Maynard Smith Mayr meiosis migration mutation rates natural populations natural selection novel offspring outbred outbreeding depression panmictic panmixia parental genomes patterns phenotypic philopatry plants predicted produce progeny propagules random ratchet recombinational load reduced relatedness relative reproductive isolation result segregational load selfing sex ratios sexual reproduction similar speciation strategy studies theoretical theory tion variation vertebrates Wright