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Further studies on poly ploid amphibians part 5 c banding in di ploid and tetra ploid species of odontophrynus






Chromosoma (Berlin) 54(1): 69-74

Further studies on poly ploid amphibians part 5 c banding in di ploid and tetra ploid species of odontophrynus

C-band patterns of some Odontophrynus spp. from Brazil are described. O. americanus 2n and 4n are cryptic species similar to O. cultripes 2n, but their C-banding patterns are different. In O. americanus 2n the C-band appears at the secondary constriction of chromosome 4. In O. americanus 4n and O. cultripes the C-band appears at the secondary constriction of chromosomes 11. O. cultripes chromosomes 2, 3 and 6, have also an intercalary band. Fine centromeric bands in several weeks old preparations of these species were observed. The possibility of a structural or chemical heterogeneity of those heterochromatic regions is discussed.

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Accession: 005498497



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