1.

Conjugation can’t take place between ___________(a) F- and F+(b) F’ and F-(c) HFR and F-(d) HFR and F+The question was asked during an online interview.Question is taken from Genetic Recombination topic in division Genetic Recombination of Drug Biotechnology

Answer»

Correct choice is (d) HFR and F+

The explanation is: For conjugation to TAKE PLACE ONE bacterium must have the F plasmid and OTHERS should lack it. HFR has the components of F plasmid within its genome so it can’t mate with ANOTHER F+.



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