If you set up a transformation experiment in which you mixed competent

E. Coli with a new plasmid that carried a gene for GFP, but not a gene for ampicillin-resistance, what colonies would you expect to grow on an LB plate with arabinose, and no ampicillin?
a. fluorescent green colonies only
b. white colonies only
c. no colonies
d. white colonies and fluorescent green

can someone explain why the answer is D and not A please thanks

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