Fundamental differences in the cell, the basic unit of life allow for the broadest classification of all living organisms into three domains : bacteria ,archaea and eukarya which of the following can organisms not be classified on?

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."

not sure what it is