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Genetics, Vol. 174, 1469-1480, November 2006, Copyright © 2006
doi:10.1534/genetics.106.062018
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Heinrich Heine Universität Düsseldorf, Institut für Genetik, 40225 Düsseldorf, Germany
1 Corresponding author: Institut für Genetik, Universitätsstrasse 1, 40225 Düsseldorf, Germany.
E-mail: martin.hasselmann{at}uni-duesseldorf.de
) reveals a sevenfold increase of polymorphism within the sex determination gene complementary sex determiner (csd) that rapidly declines within 45 kb to levels of genomewide estimates. Although no recombination was observed within SDL, which contains csd, analyses of heterogeneity, shared polymorphic sites, and linkage disequilibrium (LD) show that recombination has contributed to the evolution of the 5' part of some csd sequences. Gene conversion, however, has not obviously contributed to the evolution of csd sequences. The local control of recombination appears to be related to SDL function and mode of selection. The homogenizing force of recombination is reduced within SDL, which preserves allelic differences and specificity, while the increase of recombination activity around SDL relaxes conflict between SDL and linked genes. Related articles in Genetics:
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