High resolution chromosome banding in the Norway rat, Rattus norvegicus.
High resolution banded chromosomes were prepared from a synchronized culture of rat fibroblasts. A maximum of 457 bands per haploid chromosome set were observed. This represents a two-fold increase when compared to the number of bands visualized in mid-metaphases using standard procedures. By reference to both G- and Q-banded karyotypes, we constructed improved idiograms of rat chromosomes at 300- and 400-band stages, respectively.
Chromosome Research Unit, Faculty of Science, Hokkaido University, Sapporo, Japan.
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Satoh
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Yoshida
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Sasaki
D000818:Animals; D002871:Chromosome Banding / Q000379:methods*; D002875:Chromosomes / Q000648:ultrastructure*; D008297:Male; D051381:Rats / Q000235:genetics*