Question

Define PCR...............

Answer 1

hello!

PCR (polymerase chain reaction) is an in vitro technique of gene amplification used to generate Billions of copies of a particular DNA sequence in a short time..,.....

Answer 2

Answer:

here is your answer

Explanation:

Polymerase chain reaction is a method widely used to rapidly make millions to billions of copies of a specific DNA sample, allowing scientists to take a very small sample of DNA and amplify it to a large enough amount to study in detail