Why do we always consider the Economic Threshold Level (ETL) in farming? What advice you can give to the farmer about the control of insect pests considering
climate change?​

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."

i would say it is