Which of the following restriction enzyme sites would produce blunt-ended fragments? (The arrow represents the cutting site of the enzyme.)
A) C↓CGG
B) G↓GATCC
C) G↓AATTC
D) CCC↓GGG
E) A↓AGCTT

Question

Quizplus · Accepted Answer

The cutting site is indicated by the downward arrow. The sequence of CCCGGG does not have any overhanging bases, thus producing a blunt-ended fragment.

Which of the Following Restriction Enzyme Sites Would Produce Blunt-Ended