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	Provedor de dados Genet. Mol. Biol. (1) Autor Foresti,Fausto (1) Gomes,Eduardo A. (1) Oliveira,Claudio (1) Porto-Foresti,Fábio (1) Rigolino,Marcos G. (1) Tabata,Yara A. (1) Mais... Palavra-chave Fish cytogenetics (1) NOR polymorphism (1) Paracentric inversion (1) Rainbow trout (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2004 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última A lethal effect associated with polymorphism of the NOR-bearing chromosomes in rainbow trout (Oncorhynchus mykiss) Genet. Mol. Biol. Porto-Foresti,Fábio; Oliveira,Claudio; Gomes,Eduardo A.; Tabata,Yara A.; Rigolino,Marcos G.; Foresti,Fausto. Cytogenetic analysis of a rainbow trout stock showed that the nucleolar organizing regions were located subterminally on the long arm of a submetacentric chromosome pair and occurred as a single chromosomal segment (phenotype N1) or as two chromosomal segments separated by a short euchromatic segment (phenotype N2). Cytogenetic analysis also showed that there were N1N1 and N1N2 individuals but no N2N2 individuals. Analysis of the different includedphenotypes incluted that the population was not in Hardy-Weinberg equilibrium (chi² = 19.333; p < 0.01), and that a higher frequency of individuals had the N1N2 phenotype. Experimental crosses involving four males (two N1N1 and two N1N2) and four females (one N1N1 and three N1N2) yielded eight broods. There... Tipo: Info:eu-repo/semantics/article Palavras-chave: NOR polymorphism; Paracentric inversion; Fish cytogenetics; Rainbow trout. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572004000100009 Registros recuperados: 1 Primeira ... 1 ... Última

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