A doctor was addressed by a 30-year-old man. There is a probability of the patient being HIV-positive. To clarify the diagnosis the doctor proposed to perform polymerase chain reaction. The basic process in this kind of investigation is:

Answer options

1. Transcription
2. Chromosome mutation
3. Genetic recombination
4. Gene amplification
5. Genomic mutation

Explanation

P.C.R is an enzymatic method for repeated copying of two strands of DNA of a gene sequence. It amplifies minute/small quantities of Biologic material for laboratory studies.