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Nucleolar organizer regions inBiomphalaria andBulinus snails

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  • Genetics, Developmental Biology, Aging
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Summary

A method is described for the demonstration of nucleolar organizer regions (NORs) in freshwater snails and is applied to the study of one tetraploid and several diploid populations ofBulinus. We present evidence of dosage compensation with respect to the expression of NORs in that diploids and tetraploids both exhibit only 1 pair of NOR-bearing chromosomes.

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Author notes

  1. P. T. LoVerde

    Present address: Department of Microbiology, State University of New York, 14214, Buffalo, New York, USA

Authors and Affiliations

  1. Medical Genetics Section, Baylor College of Medicine, 1200 Moursund Avenue, 77030, Houston, Texas, USA

    M. A. Goldman

  2. Department of Biological Sciences and Animal Sciences, Purdue University, 47907, West Lafayette, (Indiana, USA

    M. A. Goldman, P. T. LoVerde, C. L. Chrisman, D. A. Franklin, F. Matthews, R. J. Pitchford & C. S. Richards

  3. Btair Research Laboratory, P.O. Box 8105, Salisbury, Zimbabwe

    M. A. Goldman, P. T. LoVerde, C. L. Chrisman, D. A. Franklin, F. Matthews, R. J. Pitchford & C. S. Richards

  4. Bitharziasis Research Unit, Nelspruits, Box 634, (Transvaal, South Africa

    M. A. Goldman, P. T. LoVerde, C. L. Chrisman, D. A. Franklin, F. Matthews, R. J. Pitchford & C. S. Richards

  5. Biomedical Research Institute, 211 Parklawn Dr., 20852, Rockville, (Maryland, USA

    M. A. Goldman, P. T. LoVerde, C. L. Chrisman, D. A. Franklin, F. Matthews, R. J. Pitchford & C. S. Richards

Authors
  1. M. A. Goldman
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  2. P. T. LoVerde
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  3. C. L. Chrisman
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  4. D. A. Franklin
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  5. F. Matthews
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  6. R. J. Pitchford
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  7. C. S. Richards
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Goldman, M.A., LoVerde, P.T., Chrisman, C.L. et al. Nucleolar organizer regions inBiomphalaria andBulinus snails. Experientia 39, 911–913 (1983). https://doi.org/10.1007/BF01990434

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  • DOI: https://doi.org/10.1007/BF01990434

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