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Spontaneous triploidy and NOR activity in Eigenmannia sp. (Pisces, Sternopygidae) from the Amazon basin

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dc.contributor.authorDe Almeida Toledo, L. F.
dc.contributor.authorForesti, F. [UNESP]
dc.contributor.authorDe Almeida Toledo Filho, S.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T00:08:54Z
dc.date.available2014-05-27T00:08:54Z
dc.date.issued1985-05-01
dc.description.abstractThe occurrence of a natural triploid among diploid individuals of Eigenmannia sp from the Amazon basin is described. The diploid individuals had 2n=31 and 32 chromosomes, the difference in chromosome number being due to a Robertsonian rearrangement. The triploid individual presented 2n=46 and had two fused acrocentrics. NOR activity was present in the three homologues of triploid and a NOR polymorphism was detected in the triploid and diploids. © 1985 Dr W. Junk Publishers.en
dc.description.affiliationDepartamento de Biologia Instituto de Biociências da Universidade de São Paulo
dc.description.affiliationDepartamento de Morfologia, Instituto Básico de Biologia Médica e Agrícola Universidade Estadual Paulista 'Júlio de Mesquita Filho', Campus de Botucatu, Botucatu, SP
dc.description.affiliationUnespDepartamento de Morfologia, Instituto Básico de Biologia Médica e Agrícola Universidade Estadual Paulista 'Júlio de Mesquita Filho', Campus de Botucatu, Botucatu, SP
dc.format.extent85-88
dc.identifierhttp://dx.doi.org/10.1007/BF00139713
dc.identifier.citationGenetica, v. 66, n. 2, p. 85-88, 1985.
dc.identifier.doi10.1007/BF00139713
dc.identifier.issn0016-6707
dc.identifier.issn1573-6857
dc.identifier.lattes0804793944846367
dc.identifier.scopus2-s2.0-0002446899
dc.identifier.urihttp://hdl.handle.net/11449/63715
dc.identifier.wosWOS:A1985AKF5400002
dc.language.isoeng
dc.relation.ispartofGenetica
dc.relation.ispartofjcr1.366
dc.relation.ispartofsjr0,649
dc.relation.ispartofsjr0,649
dc.rights.accessRightsAcesso restrito
dc.sourceScopus
dc.titleSpontaneous triploidy and NOR activity in Eigenmannia sp. (Pisces, Sternopygidae) from the Amazon basinen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights
dspace.entity.typePublication
unesp.author.lattes0804793944846367
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Biociências, Botucatupt
unesp.departmentMorfologia - IBBpt

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Botucatu - IBB - Instituto de Biociências