Abstract
Three staining techniques (Giemsa, Q-banding and R-banding) are used consectively to localize the breakage points in chromosomes of human lymphocytes, irradiated during G 2-phase with γ-rays, at doses ranging from 50 to 200 rad. The large majority, about 85% of the breaks, occurs at the interbands, between R- and Q-bands. The discrepancy of this result, with regard to previously reported ones, is attributed to the strong bias of analysis when only one staining technique is used.
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More From: Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis
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