Given below are two statements: Assertion A: The lacZ gene is present on pUC cloning vectors as a reporter/marker by which recombinants may be selected through insertional inactivation of the lacZ gene. Reason R: IPTG acts as a gratuitous inducer of the lacZ gene, due to which recombinants produced in pUC vectors may be selected by blue-white screening. In the light of the above statements, choose the correct answer:

Question

Biology · Biotechnology

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Share:

Correct answer

Both A and R are true and R is the correct explanation of A

Save this question and verified answer as a clean study sheet with live clickable link.

👥

Challenge your peer aspirants on WhatsApp or Telegram to solve this question!

Online Test Series

Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.

Chapter Practice

Want more practice questions on Biotechnology?

Solve complete topic-wise tests with detailed solutions on GkGet.

Recommended practice questions in Biology · Biotechnology

Who among the following founded the 'Forward Bloc'?

Which of the following statements regarding the Harappan Civilization is NOT correct?

Which ruler is generally credited with unifying much of Northern India under a single empire for the first time?

Answer 1

A is false but R is true

Answer 2

A is true but R is false

Answer 3

Both A and R are true but R is NOT the correct explanation of A

Answer 4

Both A and R are true and R is the correct explanation of A

Related Practice Questions