Can you eat the egg if it shows the germinal disk?

Yes, you can eat an egg that shows a germinal disk, as this indicates that the egg has been fertilized. However, the presence of the germinal disk does not necessarily mean the egg is developing into a chick, especially if it has been properly stored and is fresh. Most eggs sold for consumption are not fertilized, but if you do encounter a fertilized egg, it is generally safe to eat as long as it has been handled and cooked appropriately.