Image Based Question – 74816

Identify the phenomenon shown below?

A. Translation

B. Transformation

C. Complementation

D. Conjugation

Correct Answer » C Explanation

Ans: C. Complementation

(Ref Ninfab Fundamental laboratory approachesfor biochemistry und biotechnology pg. 355-356 and Harper’s illustrated biochemistry,3Oh ed., pg’ 456)

• This is schematic representation of the Blue-white assay, used to screen for recombinant vectors.
  • The method is based on the principle of o-complementation of the B-galactosidase gene.
  • So phenomenon is complementation.