In an Hfr strain, the F episome is integrated between genes A and B.When this Hfr mates with an F⁻ strain, gene B is always transferred first to the F⁻ cell.What is the last bacterial gene that could possibly (at least in theory)be transferred to the F⁻ from the host chromosome?

Question

Quizplus · Accepted Answer

Gene A would be the last bacterial gene that could possibly be transferred to the F⁻ from the host chromosome because the F episome is integrated between genes A and B, and gene B is transferred first, indicating that transfer begins at gene B and proceeds through the chromosome. Gene A, being on the opposite side of the integration site from gene B, would be the last gene transferred.

In an Hfr Strain, the F Episome Is Integrated Between