Q. Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?

A) 5’_________GATATG___________3’ 3’_________CTACTA___________5’
B) 5’_________GAATTC___________3’ 3’_________CTTAAG___________5’
C) 5’_________CACGTA___________3’ 3’_________CTCAGT___________5’
D) 5’_________CGTTCG___________3’ 3’_________ATGGTA___________5’
Explanation

The correct answer is Option B: 5’_________GAATTC___________3’ 3’_________CTTAAG___________5’.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.