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Hitch-hiking: an alternative to coadaptation for the barley and slender wild oat examples



Hitch-hiking: an alternative to coadaptation for the barley and slender wild oat examples



Heredity 43(1): 79-86



A model is presented by which the associations of alleles at four esterase loci in Hordeum vulgare and five unspecified allozyme loci in Avena barbata can be explained by hitch hiking due to the mating system, i.e. selection at other loci in the genomes of the two species may have resulted in gametic disequilibrium at neutral loci in A. barbata and a change in gametic disequilibrium at neutral loci in H. vulgare which, because of the high degree of self fertilization, would have affected the frequency of the enzyme loci. Although the explanation is given as a simple alternative to the coadaptation hypotheses, it is considered difficult to differentiate experimentally between hitch hiking and coadaptation.

Accession: 000673675

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DOI: 10.1038/hdy.1979.61



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