PCR is Polymearse Chain Reaction I should have explained it in slightly more detailed PCR And Its Use Often times, scientists only have a small amount of DNA to deal with when doing genetic research or studies. In these situations, scientists can do one of several things. One is to just try to work with it anyway, but this is nearly impossible (depending on how much there is). Ther are a couple other processes they …showed first 75 words of 792 total…

…showed last 75 words of 792 total…machine. You had to do things by hand and that really added to the cost of research. In effect, not as many people heard about what was going on in the world of DNA. People should be educated about DNA because if you know about DNA it can be useful if you are ever called to jury duty and they are using that kind of evidence. You will be able to make a wise decision.