Wicker basket full of white and brown eggs - Biserka Stojanovic/Getty Images It is nearly impossible to tell if an egg sitting on the counter is fertilized or not by eyeballing it. Some chicken ...

Researchers have discovered a mark left behind in unfertilized egg cells that determine which DNA instructions will be inherited if the egg is fertilized. when these instructions are missing, enlarged ...

An epigenetic study at the RIKEN Center for Integrative Medical Sciences shows that in mouse egg cells, modifications to histone H2A at lysine 119 lay the groundwork for inherited DNA functional ...