In Triturus vulgaris meridionalis, the 18S + 28S rDNA sequences have been shown to be located in a number of additional chromosomal sites besides the nucleolus organizing region. The additional ribosomal sites have been found to vary as to their number and chromosomal location in different individuals of the species.--The data presented in this study concern the chromosomal distribution of the ribosomal sequences as analyzed by in situ hybridization technique in two individuals as well as in their offspring. The evidence obtained by this analysis indicates quite clearly that all 18S + 28S rRNA sites present in each individual genome are inherited according to simple mendelian principles.

Chromosome location of the ribosomal genes in Triturus vulgaris meridionalis. III. Inheritance of the chromosomal sites for 18S+28S ribosomal RNA

BATISTONI, RENATA;NARDI, IRMA;
1978

Abstract

In Triturus vulgaris meridionalis, the 18S + 28S rDNA sequences have been shown to be located in a number of additional chromosomal sites besides the nucleolus organizing region. The additional ribosomal sites have been found to vary as to their number and chromosomal location in different individuals of the species.--The data presented in this study concern the chromosomal distribution of the ribosomal sequences as analyzed by in situ hybridization technique in two individuals as well as in their offspring. The evidence obtained by this analysis indicates quite clearly that all 18S + 28S rRNA sites present in each individual genome are inherited according to simple mendelian principles.
Batistoni, Renata; Andronico, F.; Nardi, Irma; BARSACCHI PILONE, G.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/2418
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