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Simple Mendelian inheritance of the reiterated ribosomal DNA of yeast.

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Petes, T D, Botstein, D·1977·Proceedings of the National Academy of Sciences

Abstract

A diploid strain of yeast (Saccharomyces cerevisiae) was found to be heterozygous for two forms of the highly repetitious ribosomal DNA. These forms could be distinguished by the pattern of fragments produced after digestion with the site-specific restriction endonuclease EcoRI. The mode of inheritance of ribosomal DNA was determined by tetrad analysis. Of 14 tetrads analyzed, 12 clearly showed the ribosomal DNA forms segregating as a single Mendelian unit. The simplest interpretation of this result is that all of the approximately 100 copies of the ribosomal DNA genes of the yeast cell are located on one chromosome and that meiotic recombination within these genes is suppressed. Two of the 14 tetrads showed the segregation patterns expected as the result of mitotic recombination within the ribosomal DNA.

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Metadata

Authors
Petes, T. D., & Botstein, D.
Venue
Proceedings of the National Academy of Sciences
Published
1977-11
Volume
74
Issue
11
Pages
5091-5095
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2058707913
Cited by
197
References
0
FWCI
3.70
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Simple Mendelian inheritance of the reiterated ribosomal DNA of yeast. https://app.cochat.ai/papers/10.1073/pnas.74.11.5091
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Petes, T. D., & Botstein, D. (1977). Simple Mendelian inheritance of the reiterated ribosomal DNA of yeast. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.74.11.5091

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.