A Plasmid That Contains an Open Reading Frame for the Penecillin

question 2

Multiple Choice

A plasmid that contains an open reading frame for the penecillin resistance gene flanked at the 5' end with sequences from the LacZ gene and at the 3' end with different sequences from the LacZ open reading frame.Bacgteria are plated on media that contains penecillin.What is the conclusion regarding the bacteria that grow on the plate?

• A)The plasmid is inhibiting LacZ production
• B)The genome carries a mutation in the LacZ gene.
• C)No inference can be made concerning the state of the genomic LacZ gene.
• D)The bacteria should be able to produce beta-galactosidase