To obtain a large number of copies of DNA through PCR, the following steps are involved: A. Double stranded DNA with known ends B. Separate chains by heating to 95°C C. Addition of heat tolerant Taq polymerase and nucleotides and heat to 72°C D. Addition of Nucleotides to primer using single strand as template E. Cool to allow primer to form hydrogen bonds with ends of target sequence Choose the correct answer from the options given below: