Conjugation can’t take place between________________
AF- and F+
BF’ and F-
CHFR and F-
DHFR and F+
Answer:
D. HFR and F+
Read Explanation:
For conjugation to take place one bacterium must have the F plasmid and other should lack it. HFR has the components of F plasmid within its genome so it can’t mate with another F+.
