| Literature DB >> 1253647 |
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.Entities:
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Year: 1976 PMID: 1253647 DOI: 10.1007/BF00288325
Source DB: PubMed Journal: Chromosoma ISSN: 0009-5915 Impact factor: 4.316