Importance of DNA in science and technology essay pointsWatch
Genetic engineering to produce a useful product in large quantities e.g. insulin for diabetics
Genetic screening to test if a baby will have certain genetic diseases e.g. cystic fibrosis
DNA fingerprinting in forensic science or paternity tests
Anti cancer drugs which target DNA and prevent cells from replicating (such as cisplatin).
You could also talk about how the knowledge of DNA and protein synthesis help us to better understand many diseases and how to prevent them.