Trulove, Susan2013-05-062013-05-062004-03-29http://hdl.handle.net/10919/20825DNA is often used to identify mysterious materials or match a suspect with a crime. However, identification can be slowed while a trace amount of DNA is increased so there will be enough to test. Polymerase chain reaction (PCR) is the series of steps necessary to amplify DNA.text/htmlIn CopyrightPress releaseVirginia Tech. University Relations