DNA is extracted, treated with restriction enzymes, and sequenced using gel electrophoresis to create a genetic fingerprint. <br />DNA Fingerprinting <a class="link" rel="nofollow" href="http://www.britannica.com/eb/article-9030731/DNA-fingerprinting">http://www.britannica.com/eb/article-9030731/DNA-fingerprinting</a> <br />Restriction Enzyme <br /><a class="link" rel="nofollow" href="http://www.britannica.com/eb/article-9002525/restriction-enzyme">http://www.britannica.com/eb/article-9002525/restriction-enzyme</a> <br />Nucleotide <a class="link" rel="nofollow" href="http://www.britannica.com/eb/article-9056460/nucleotide">http://www.britannica.com/eb/article-9056460/nucleotide</a> <br />Francis Harry Compton Crick <a class="link" rel="nofollow" href="http://www.britannica.com/eb/article-9027893/Francis-Harry-Compton-Crick">http://www.britannica.com/eb/article-9027893/Francis-Harry-Compton-Crick</a>
