What did Sydney Brenner do to contribute to the finding of genetics or DNA?

Sydney Brenner made significant contributions to genetics through his pioneering work on the nematode Caenorhabditis elegans, which became a key model organism for studying developmental Biology and genetics. He was instrumental in establishing the first genetic map of this organism, facilitating the understanding of gene function and regulation. Brenner's research also contributed to the discovery of messenger RNA and the genetic code, which are fundamental to understanding how genetic information is expressed in cells. His work laid the groundwork for modern molecular biology and genetics research.