Practice question
Question
You have induced a rare mutation in a microbe which in special media has 50% higher specific growth rate (2/3rd the doubling time) of the normal cells. If the mutation frequency is 1X10 ⁻⁶ , how many generations of the normal culture are needed for the populations of mutant and normal cells to be equal?
Explanation
This outcome reflects quantitative reasoning, where ratio, percentage and series logic determine correct calculation. Option B captures this correctly because it meets mathematical and logical criteria, consistent with textbook descriptions and experimental observations in aptitude and reasoning.
Discussion
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