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?

Question

Quizplus · Accepted Answer

In an Hfr-F⁻ conjugation, the Hfr strain will transfer its entire chromosome to the recipient F⁻ strain, but the recipient will not become F⁺ because the F plasmid is not transferred. Therefore, the recipient will remain F⁻ after conjugation.

Suppose a Strain of Escherichia Coli Is Identified as an Hfr