Respuesta :

Answer:

The polymerase chain reaction is the process which is use to replicate DNA in a lab for testing.

Explanation:

  • In the lab testing, DNA of the sample is amplified in the polymerase chain reaction.
  • Polymerase chain reaction is the cyclic process in which double helix of DNA is separated and used as template for the production of new DNA.
  • The different temperature changes leads to the process of PCR.
  • This technique is known as PCR.