DNA Extraction: Human April 1, 2010 By Janice VanCleave DNA from Human Cheek Cells This video not only gives you detailed instructions for separating DNA from human cheek cells, but there is a graphic explanation of the process. Note: 1. Eight grams of table salt is about three-fourth teaspoon. 2. Use salt without Iodine. Share this:EmailTwitterFacebookGooglePrint No related posts.