| A | B |
|---|
| gene | segment of DNA that codes for a protein |
| DNA | provides the blueprint for the body to make proteins |
| mRNA | transfers the DNA code from the nucleus to the ribosome |
| tRNA | brings the correct amino acid to the ribosome |
| rRNA | helps mRNA and tRNA correctly assemble the amino acids |
| proteins | macromolecule made up of linked amino acids |
| mutation | a change in the base sequence on the DNA |
| gene splicing | cutting out one portion of DNA and inserting a different piece |
| recombinant DNA | a segment of DNA from at least two different organisms |
| genetic engineering | scientists change an organism's genes |
