| A | B |
| recombinant DNA | new pieces added in |
| plasmid | small rings of DNA found in bacteria |
| restriction enzyme | cuts DNA in specific location |
| GMO | genetically modified organism |
| transgenic | GMo with DNA from another species |
| cloning | process of copying organism with use of live cells |
| gel electrophoresis | process of seperating DNA fragments by length |
| DNA fingerprint | unique pattern created as a result of gel electrophoresis |
| cellular differentiation | specialization of cells |
| stem cell | cells that can become anything |
| operon | on/off section of a gene |
| operator | on switch |
| promoter | binding site |
| repressor | off switch |