Biology:R‑banding
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R-banding is a cytogenetics technique that produces the reverse of the G-band stain on chromosomes. R-banding is obtained by incubating the slides in hot phosphate buffer, then a subsequent treatment of giemsa dye. Resulting chromosome patterns shows darkly stained R bands, the complement to G-bands. Darkly colored R bands are guanine-cytosine rich, and adenine-thymine rich regions are more readily denatured by heat. The technique is useful for analyzing genetic deletions or chromosomal translocations that involve the telomeres of chromosomes.
![]() | Original source: https://en.wikipedia.org/wiki/R‑banding.
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