NEET2022Zoology-Molecular Biology

NEET 2022 Zoology DNA Sequencing MCQ Question

Type: MCQ-conceptual-Medium-Class 12

In the following palindromic base sequences of DNA, which one can be cut easily by particular restriction enzyme?

A

5' CTCAGT 3' ; 3' GAGTCA 5'

B

5' GTATTC 3' ; 3' CATAAG 5'

C

5' GAATTC 3' ; 3' CTTAAG 5'

D

5' GAATTC 3' ; 3' CTTAAG 5'

Correct Answer

Option C

Detailed Explanation

The sequence 5' GAATTC 3' is recognized by the restriction enzyme EcoRI, which cuts between G and A, making it a common palindromic sequence for restriction enzymes.

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