Francois Jacob and Jacque Monod proposed model of gene regulation known as operon model/lac operon.
- Alec Jeffreys $- DNA$ fingerprinting technique.
- Matthew Meselson and $F$. Stahl $-$ Semi- conservative $DNA$ replication in $E$. coli.
- Alfred Hershey and Martha Chase $-$ Proved $DNA$ as genetic material not protein