Why is this an assay for reca function

Reference no: EM13111642

You can carry out matings between an Hfr and F- strain by mixing the two cell types in a small patch on a plate and then replica plating to selective medium. This methodology was used to screen hundreds of different cells for a recombination deficient recA- mutant. Why is this an assay for RecA function?

Reference no: EM13111642

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