Hfr Strains Have an Integratedـــــــــــــــــــــــــ

Question

Hfr strains have an integratedـــــــــــــــــــــــــ .
A)F plasmid
B)R plasmid
C)prophage
D)lysogen

Accepted Answer

Hfr strains (High frequency of recombination strains) have an F plasmid (fertility plasmid) integrated into their chromosome, which allows them to initiate bacterial conjugation and transfer genetic material to recipient cells.