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. 1976 Mar 31;55(1):37-42.
doi: 10.1007/BF00288325.

The location of ribosomal cistrons (rDNA) in chromosomes of the rat

Y Kano, S Maeda, T Sugiyama

The location of ribosomal cistrons (rDNA) in chromosomes of the rat

Y Kano et al. Chromosoma. .

Abstract

In situ hybridization of 3H-labelled ribosomal RNA to the chromosomes of rat bone marrow cells revealed that clusters of ribosomal cistrons (rDNA) are located in the secondary constrictions of chromosomes No. 3 and 12 and near the centromere of chromosome No. 11, both associated with the late DNA-replicating regions. They were not found in Nos. 1, 2, 13, 19, 20, and the Y chromosome.

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