One chemical holds the secret of life. It contains the instructions for manufacturing everything from bacteria to a human being with trillions of specialized or genetically altered cells. The chemical is called deoxyribonucleic acid, or what is better known as DNA. It is about to change our world or has already begun to do so. This is what a geneticist does. He takes the DNA of things and studies them, so we can learn more about ourselves. A geneticist can look at a plants genes, and change them so it can be more fruitful. This is why a geneticist is the best job.
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