One of Cohen and Boyer s graduate student was rushing to finish his experiments to make it to Friday Happy Hour. He prepared the medium to be used for plating of E. coli after transformation, added ampicillin, but forgot to add X-Gal. Which of the following statements will apply?
a.All the colonies on the plate will be ampicillin sensitive
b.Only cells that don t have foreign DNA inserted in the cloning vector will grow
c.All the colonies on the plate will be white
d.Only cells with foreign DNA inserted in the cloning vector will grow
e.All the colonies will be ?-galactosidase positive