Which of the following seals the sticky ends of restriction fragments to make recombinant DNA? Naim 12:46 AP Biology Chapter 20 Which of the following seals the sticky ends of restriction fragments to make recombinant DNA? A) restriction enzymes B) gene cloning C) DNA ligase D) gel electrophoresis E) reverse transcriptase Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+