When a Bacterial Cell with a Chromosome-Borne F Factor Conjugates

question 59

Multiple Choice

When a bacterial cell with a chromosome-borne F factor conjugates with another bacterium, how is the transmitted donor DNA incorporated into the recipient's genome?

• A) It is substituted for the equivalent portion of the recipient's chromosome by the process of crossing over.
• B) It circularizes and becomes one of the recipient cell's plasmids.
• C) Any genes on the donor DNA of which the recipient does not have are added to the recipient chromosome; the remainder of the donor DNA is degraded.
• D) The donor and recipient DNA are both chopped into segments by restriction enzymes, and a new, composite chromosome is assembled from the fragments.

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