Nucleolar organizer regions in Biomphalaria and Bulinus snails

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

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


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 of Bulinus. 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.

Original languageEnglish (US)
Pages (from-to)911-913
Number of pages3
Issue number8
StatePublished - Aug 1983
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)


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