Cells that contain a "blue\white screening" plasmid that has an added gene are recognized by the method:
A) Ability to grow on ampicillin.
B) Inability to grow on ampicillin.
C) The colonies have a blue color.
D) The colonies lack a blue color.
E) More than one of these choices indicates that the plasmid contains recombined DNA.

Question

Quizplus · Accepted Answer

In blue/white screening, cells with plasmids containing an inserted gene disrupt the lacZ gene, preventing blue color formation, resulting in white colonies.

Cells That Contain a "Blue\white Screening" Plasmid That Has an Added