Clone particular gene, first insert the gene you want into one of the plasmids. This creates a recombinant plasmid which is then inserted into an E. Coli bacterium to create a recombinant bacterium. When this bacterium divides it will create many more bacteria each with a copy of the gene we wanted. Or use PCR.
An enzyme within the nucleus that cuts (virus) DNA into pieces with sticky ends.
Unpaired bases on each end.
Manipulating organisms or their parts to make useful products.