They reflect society's idea that scientists are concerned more with progress than with morals.
Yes, modern technology could be used to clone pet dogs and cats (eg, Dolly the sheep)
Cloning (producing a clone) refers to creating a copy of a living organism. Some plants do this naturally, growing copies of themselves with the same genetic makeup. But for animals and humans, it would require growing a new individual from only a single parent.
Cloning has become used metaphorically for copying programs or operating parameters from one electronic device to another. This is sometimes illegally done to "piggyback" existing phone or data connections, often to record, intercept or steal information.