Which of the following statements about Hfr cells and bacterial conjugation is false?

A. An Hfr cell becomes an F- cell if its integrated F plasmid is excised.
B. Cells with integrated F' plasmid have two copies of some genes.
C. The genes that are transferred from an Hfr cell into a recipient cell during conjugation replace the equivalent genes in the recipient cell.
D. An F' plasmid contains some bacterial genes.
E. If excision of the F plasmid from an Hfr cell includes some bacterial genes, a partial diploid can result.


Answer: A

Biology & Microbiology

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