There's more to genes than DNA: How Mum and Dad add something extra, just for you

Biologists have discovered 71 new 'imprinted' genes in the mouse genome, a finding that takes them a step closer to unravelling some of the mysteries of epigenetics - an area of science that describes how genes are switched on (and off) in different cells, at different stages in development and adulthood.

source https://www.sciencedaily.com/releases/2021/06/210621123819.htm