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  • Title: [Clonal analysis of the intercellular variability in the functioning of human chromosomal nucleolus organizer regions].
    Author: Sozanskiĭ OA, Terekhov SM.
    Journal: Biull Eksp Biol Med; 1984 May; 97(5):592-5. PubMed ID: 6722339.
    Abstract:
    Intercellular variability of NOR activity detected with the aid of Ag-staining of human chromosomes was studied in mass and cloned fibroblast cultures obtained from 3 individuals. The intercellular variability was determined by different staining of one of 10 NORs. According to this trait the heterogeneity of the cell population was discovered in all cloned lines, with this heterogeneity being the same as in the parent cultures. That concerned the number of a variable chromosome and the percentage of the cells with Ag-stained and unstained chromosomes. It is suggested that genetic determination in the progenies of the somatic cells concerns the whole spectrum of potential variability observed in cell populations.
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