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How could you explain the difference in frequencies

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Question: proline auxotrophy occurs at a frequency of ~10-6 yet reversion of such auxotroph occurs at ~10-8, how could you explain the difference in frequencies?

Reference no: EM133550166

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How could you explain the difference in frequencies : proline auxotrophy occurs at a frequency of ~10-6 yet reversion of such auxotroph occurs at ~10-8, how could you explain the difference in frequencies?
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