Summary
The chromosomal gaps associated with fragile sites at 2q11, 10q23, 11q13, 16q22, 20p11 and Xq27 do not stain with silver nitrate as do NOR regions of the acrocentric chromosomes.
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Sutherland, G.R., Leonard, P. Heritable fragile sites on human chromosomes. Hum Genet 53, 29–30 (1979). https://doi.org/10.1007/BF00289446
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DOI: https://doi.org/10.1007/BF00289446