| A | B |
|---|
| selective breeding | only those with desired characteristics allowed to reproduce |
| hybridization | crossing dissimilar individuals |
| inbreeding | breeding individuals with similar characteristics |
| genetic engineering | changing DNA code of a living organism |
| restriction enzymes | cut DNA into smaller fragments |
| mutation | inheritable change in DNA |
| polyploid | having 2 or 3 times normal number of chromosomes |
| recombinant DNA | produced by combining DNA from different sources |
| gel electrophoresis | process to separate DNA fragments |
| polymerase chain reaction (PCR) | makes many copies of a particular gene |
| transgenic organisms | contain genes from other organisms |
| cloning | making genetically identical organisms from a single cell |
| amplifies DNA | PCR |
| plasmid | small circular DNA molecule |
| genetic marker | allows scientists to "find" a cell |
| usually fatal in animals | polyploidy |
| negatively charged | DNA molecules |
