Suppose a Strain of Escherichia Coli Is Identified as an Hfr

question 15

Multiple Choice

Suppose a strain of Escherichia coli is identified as an Hfr strain.In a conjugational experiment between the donor Hfr strain and a recipient E.coli strain that is F⁻,what would you expect to result?

• A)The recipient to become F⁺.
• B)The recipient to become an Hfr strain.
• C)The recipient to remain F⁻.
• D)The donor to become F⁻.
• E)The donor to transfer the entire F-plasmid.

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