The total number of resistant bacteria fluctuates wildly from culture to culture, within a given experiment (same medium, same day, same phase of the moon, etc.)
What is Luria–Delbrück experiment?
The Luria–Delbrück experiment also called the Fluctuation Test demonstrated that in bacteria, genetic mutations arise in the absence of selective pressure rather than being a response to it.
Therefore, resistant bacteria fluctuates in the fluctuation test of luria and delbrück.
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