Lockwood DNA Study
DNA (DeoxyriboNucleic Acid) can now be used as part of a surname study. The Lockwood DNA study started in November 2004 and currently (as of April 2015) there are 50 results.
Lockwood DNA Study Explanation
Lockwood DNA Study - How to Participate
Lockwood DNA Study Results
For a comprehensive explanation of using DNA in genealogy, please visit the excellent websites from Chris Pomery, Kevin Duerinck and GENUKI. Another good site for a tutorial is the DNA Heritage site.
For a VERY DETAILED discussion on DNA and genealogy the website at http://www.kerchner.com/ has pages and pages of information.