With an egg, you can craft a cake or a pumpkin pie. They can also be thrown by right-clicking, and when you do, they have a 1/8 chance to spawn a baby chicken.
There are no chocolate eggs in minecraft, unless you are using a mod. But if you are I don't know the mod so I don't know the crafting recipe for a chocolate egg.
You name the spawn egg dinnerbone or grumm
The ender dragon drops it when defeated
Minecraft got an update just a little bit ago. Now you have a bucket,lava,water,egg,spawn chicken egg,spawn sheep egg,spawn cow egg,spawn pic egg, and cake. The eggs make the animals so you can make a farm. It also has a message thing. Yes minecraft did get an update
Simply throw it, you may have to throw many before you get a chicken though.
There is no human spawn egg unless you have mods for it
Sugar in minecraft is used to make a cake but you also need 3 buckets of milk and 1 egg when you have made the cake you can eat it to gain your health. Also, in 1.4.2, if you combine sugar, an egg, and a pumpkin together, you will get pumpkin pie.
with a cow egg
you take some pumpkin suger and a egg and put it anywhere you want in the crafting grid
By either going into creative mode and getting a Spawn Egg, or by activating "Cheats" in Survival mode and using the command "/give (Minecraft Name) (Number) (ID Number for Spawn Egg/Name of Spawn Egg)"
you cant
minecraft