How is an egg formed inside a chicken, does the shell form first, or the yolk, or how?

Question

How is an egg formed inside a chicken, does the shell form first, or the yolk, or how?

Answer 1

The inside forms first. The yolk and white are surrounded by a thin membrane. The shell forms last, but it's still somewhat soft until the egg is laid and exposed to air.

Answer 2

http://www.youtube.com/watch?v=G05ILxj-i...

Watch it's a beautiful thing

Answer 3

Shell is last or else it couldnt get fertilized

Answer 4

Thats a good question. But nobody ever said what came first the chicken or the egg?