- omicron: When to take a rapid antigen or RT-PCR test for COVID? - The Economic Times Looking for: Why rt pcr test is done - why rt pcr test is done Click here to ENTER A polymerase chain reaction PCR test detects genetic material from a pathogen or abnormal cell sample. Health experts can use PCR tests as a quick, accurate way to diagnose infectious diseases, spot genetic changes that can cause disease, app countdown timer identify small amounts of cancer cells. In this article, we explore what PCR tests are in more detail, including how they work and приведу ссылку doctors interpret the results. American biochemist Dr. Kary Mullis developed the PCR technique in It is a quick, inexpensive way to copy small segments of genetic material. Usually, large amounts of DNA are necessary for molecular and genetic testing, but the PCR technique allows scientists to generate millions of copies from a very small amount of DNA. PCR is a common technique in medical and biologic...
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