Remember earlier that I mentioned that the sperm is kept alive by feeding it protein within the queen's body. The queen actually has a small valve that she can control by restriction, which either allows or prevents a single sperm from being deposited on the egg she lays. If the queen lays an egg in a worker cell, she allows one sperm to attach to the egg, thus producing a worker. If the egg is laid and no sperm is attached, it will develop into a drone. The large drone cells are usually found in the corners where the pollen and nectar are stored.
Drone cells are larger than worker cells because drones are large, almost twice as big as a worker.
Again 2001 Spring will be an amazing time for my website. Including streaming Realplayer format instructional videos on all these topics. I suggest you check back often and always read my On-Line Logbook.