Figure 9-7 Shows an Experiment Used to Determine the Spontaneous

question 34

Multiple Choice

Figure 9-7 shows an experiment used to determine the spontaneous mutation rate in E.coli.If the spontaneous mutation rate in E.coli is 1 mistake in every 10⁹ nucleotides copied, about how many colonies would you expect to see on the plates lacking histidine if you were to assay 10¹¹ cells from the culture for their ability to form colonies? Figure 9-7

• A)1
• B)2
• C)10
• D)100

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