Genetics: Analysis and Principles 5th Edition by Robert Brooker

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Figure 17.10 shows a genetic switch that controls the choice between the lytic and lysogenic cycles of phage . What is a genetic switch Compare the roles of a genetic switch and a simple operator site (like the one found in the lac operon) in gene regulation.FIGURE 17.10 The O R region, the genetic switch between the lysogenic and lytic cycles.