Oct. 3, 2014
Period 1
Polymerase Chain Reaction, also known as PCR, is a method of cloning alleles. It allows biologists to make many copies of a particular gene chosen. One of the three advantages is that PCR can amplify STR in any amount needed to be profiled successfully. It can amplify any one area of DNA molecules. Secondly, STR profiling can be completed in a fraction of the time needed for VNTR and it is also safe to prepare to separate electrophoresis gels. The third advantage is that there is no need to work with any radioactive labeled probes or X-ray films. In addition, PCR is very versatile compared to other gene copying processes.
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