Why Is Magnesium Chloride Used in PCR?
When a crime scene investigator or a doctor attains a DNA sample, there often is not enough DNA available to properly analyze it. In order to simulate the body’s own DNA replication process, scientists developed a process called PCR that can act like a Xerox machine and make copy after copy of a DNA sample. There are many components of a PCR reaction, and magnesium chloride is one of the most vital.
