NEET2025Zoology-Biotechnology: Principles and Processes
NEET 2025 Zoology Plasmid Vectors MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In the above represented plasmid an alien piece of DNA is inserted at EcoRI site. Which of the following strategies will be chosen to select the recombinant colonies?
A
Using ampicillin & tetracyclin containing medium plate.
B
Blue color colonies will be selected.
C
White color colonies will be selected.
D
Blue color colonies grown on ampicillin plates can be selected.
Correct Answer
Option C
Detailed Explanation
Insertion of DNA at the EcoRI site disrupts the lacZ gene, leading to white colonies in the presence of X⁻gal, indicating successful recombination.
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