Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which diagram correctly represents the cutting of both strands of DNA by EcoRI?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
EcoRI recognizes the palindromic sequence:
5′ — G AATTC — 3′
3′ — CTTAA G — 5′
It cuts between G and A:
5′ — G↓AATTC — 3′
3′ — CTTAA↑G — 5′
This produces sticky ends. Among the given diagrams, option correctly shows the cuts between G and A on both strands.
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