With around 20-25,000 genes in the human genome, how do our body cells make sure genes work in the right place at the right time?

2015 Francis Crick prize lecture on 'Gene regulation and the epigenome' by Professor Rob Klose, at the Royal Society, London, on 2 December 2015.
https://royalsociety.org/events/2015/...

YouTube thumbnail image: Genetic information winding out of a cell by Professor Rob Klose.