Consider conjugation in Escherichia coli. In which of the following matings would chromosomal genes be transferred most frequently?
A. F+× F-
B. F-× F-
C. Hfr × F-
D. Hfr × F+
Answer:C
Consider conjugation in Escherichia coli. In which of the following matings would chromosomal genes be transferred most frequently?
A. F+× F- B. F-× F- C. Hfr × F- D. Hfr × F+