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. F+ x 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. F+ x F+