Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: For centuries, farmers have been taking cuttings of productive plants and rooting the cuttings to make new plants. Which kind of modern technology uses genetic information most similarly to the cutting and rooting process?
Genetic engineering.