This Figure Shows Restriction-Digested DNA Fragments from Salmonella Enterica That

question 25

Multiple Choice

This figure shows restriction-digested DNA fragments from Salmonella enterica that have been separated by electrophoresis.The Salmonella enterica was isolated from individuals with illness and two jars of peanut butter.Which of the following accurately describes these fragments?

• A) These fragments indicate food contamination in both jars of peanut butter.
• B) These fragments indicate no relationship between the ill individuals and peanut butter.
• C) These fragments indicate that individuals became ill after eating peanut butter from Jar 2.
• D) These fragments indicate food contamination in Jar 1,but not in Jar 2.

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