2010
DOI: 10.1590/s1519-69842010000300021 View full text |Buy / Rent full text
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Abstract: Cytogenetic analyses of the location of 18S and 5S ribosomal DNAs, and the base composition of B chromosomes of Iheringichthys labrosus from Tibagi River, Paraná, Brazil, are provided. AgNORs were observed in the terminal position on the long arm of a subtelocentric chromosome pair. CMA 3 -positive staining was observed in some chromosomes, which besides being associated with NORs, were all DAPI-negative. Chromosome B showed a strong fluorescence with CMA 3. The concomitant use of 18S and 5S rDNA probes using … Show more

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