Article
Unequal sister chromatid exchange in the rDNA array of Saccharomyces cerevisiae.
Mutation research - 12 Dec 2004
Motovali-Bashi M, Hojati Z, Walmsley R M
Abstract excerpt
In the yeast Saccharomyces cerevisiae the nucleolar organiser region (NOR) is located on chromosome XII. It contains 100-200 copies of rDNA--a minimum of 20 rDNA genes in tandem--and is termed the RDN locus. Yeast cells may exist in either haploid or diploid form. There are two forms of life cycle: haploid and diploid cells double by mitosis, and diploid cells are reduced to the haploid state by meiosis. Diploid...
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