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Ribosomal RNA cistron number in a polyploid series of plants

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Abstract

A comparison has been made of the amount of DNA coding for ribosomal RNA present in a polyploid series of plants of Datura innoxia. The plants which were produced by in vitro culture of pollen grains were haploid, diploid, triploid, tetraploid and hexaploid. In all instances there was a similar proportion of DNA coding for ribosomal RNA. The implications of these results are discussed, and the data compared with that available from other series of plants of different DNA content or ploidy.

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Authors and Affiliations

  1. John Innes Institute, Norwich

    C. Cullis & D. Roy Davies

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  1. C. Cullis
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  2. D. Roy Davies
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Cullis, C., Davies, D.R. Ribosomal RNA cistron number in a polyploid series of plants. Chromosoma 46, 23–28 (1974). https://doi.org/10.1007/BF00332336

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  • DOI: https://doi.org/10.1007/BF00332336

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