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In conjugation of HFr cell with F^– cell the recipient ______________(a) Stays F^–(b) Become F^+(c) Become HFr(d) Become F’The question was asked by my college professor while I was bunking the class.Origin of the question is Genetic Recombination topic in section Genetic Recombination of Drug Biotechnology

Answer»

Right answer is (a) STAYS F^–

For explanation: Since ENTIRE plasmid cannot TRANSFER the recipient remains F^–. Hfr cell can transfer a portion of the bacterial genome. The bacterium RECEIVING the genes do not become F^+.



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