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| Modern Genetic Analysis Chapter 13. Transposable Genetic Elements Insertion Sequences Figure 13-4. Diagrammatic representation of the appearance of a heteroduplex DNA molecule formed by annealing corre-sponding strands (that is, strands that have the same base sequence, excepting at the site of the IS) of ldgalm DNA from two specific mutants caused by insertion sequences. This unexpected hybridization between corresponding strands (normally having the same rather than comple-mentary base sequences) can be explained by the model shown in Figure 13-5.

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