Blunt end

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A blunt end[1] is a result of breaking double-stranded DNA with no overhangs or unpaired bases produced. Both strands are of same length due to this factor.

For example:

…..GAATTC…..
…..CTTAAG…..

After using restriction enzymes to cut at specific sites:

…..GAA    TTC…..
…..CTT    AAG….

Reference

  1. http://www.biology-online.org/dictionary/Blunt_end October 2, 2008.
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