How can you explain the result

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Problem: The λ phage containing the TnlacZ/in used in Experiment 3 carries an amber nonsense mutation in an essential replication gene and must be propagated on an E. coli amber suppressor strain as its host. Kendall decides to use the extragenic amber suppressor strains identified in this experiment to grow more of the λ::TnlacZ/in for next year's lab. However, only some of the new host strains he tested produced any progeny phage. How can you explain this result?

Reference no: EM133689194

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