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Enhancement of spontaneous mitotic recombination by the meiotic mutant spo11-1 in Saccharomyces cerevisiae.

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Publication Date
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PMC
Keywords
  • Research Article
Disciplines
  • Biology

Abstract

Both nonreciprocal and reciprocal mitotic recombination are enhanced by the recessive mutant spo11-1, which was previously shown to affect meiosis by decreasing recombination and increasing nondisjunction. The mitotic effects are not distributed equally in all chromosomal regions. The genotypes of mitotic recombinants in spo11-1/spo11-1 diploid cells provide further evidence that widely spaced chromosomal markers undergo coincident conversion in mitosis.

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