A PCR or polymerase chain reaction is a laboratory procedure in which millions of copies of a specific piece of DNA are made. It is essentially an amplification method, whereby the tiniest amounts of DNA that may be present in blood, hair or tissues can be copied so that there is enough for analysis.
PCR is extensively used in analysing clinical specimens for the presence of infectious agents, including HIV, hepatitis, human papillomavirus (the causative agent of genital warts and cervical cancer), Epstein-Barr virus (glandular fever), malaria and anthrax.
PCR is extensively used in analysing clinical specimens for the presence of infectious agents, including HIV, hepatitis, human papillomavirus (the causative agent of genital warts and cervical cancer), Epstein-Barr virus (glandular fever), malaria and anthrax.
by: Fuensanta Hernandez Salmerón
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