| A | B |
|---|
| Genetic engineering | making changes in the DNA code of a living organism |
| Selective breeding | humans use this method to make organisms with desired traits |
| Hybridization | selective breeding where two organisms are bred that are very different |
| Inbreeding | selective breeding where two organisms are bred that are very similar |
| DNA extraction | removing DNA from a cell |
| Recombinant DNA | DNA from two different sources that has been cut and paste together |
| Gel electrophoresis | a technique used to analyze and compare DNA samples |
| PCR | a technique that makes copies of DNA |
