A Single DNA Molecule Contains Two Specific Target Sites Separated

question 52

Multiple Choice

A single DNA molecule contains two specific target sites separated by an intervening sequence.If site-specific recombination between these sites causes the intervening sequence to be released as a separate circular DNA molecule containing one target site, then the sites were oriented in

• A)opposite directions causing excision.
• B)the same direction causing excision.
• C)opposite directions causing integration.
• D)the same direction causing integration.
• E)the same direction causing inversion.

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