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. 1976;17(4):221-30.
doi: 10.1159/000130715.

Variation in the number of genes for rRNA among human acrocentric chromosomes: correlation with frequency of satellite association

D Warburton, K C Atwood, A S Henderson

Variation in the number of genes for rRNA among human acrocentric chromosomes: correlation with frequency of satellite association

D Warburton et al. Cytogenet Cell Genet. 1976.

Abstract

Grain counts after hybridization of 125I-rRNA to human chromosomes indicate numerical polymorphism at the rDNA sites. Prephotographing procedures decrease labeling but do not change the proportions of labeled RNA annealed to different chromosomes. A positive correlation was found between the frequency of participation of a given chromosome in satellite associations and its rDNA content by the criterion of grain count. Certain individual chromosomes are clear exceptions to this correlation.

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