Which Came first? The chicken or the egg?

But where did the egg come from?...It didn't just appear.

This was asked before:
http://questional.com/question.php?fn=view&id=117

Sounds pretty good.

I heard the alternative from someone else.
It goes like this.

A rock that didn't exist exploded. And rain that didn't exist fell on the dirt and made mud (soup). The mud for some unknown reason decided to come alive, and it learned to replicate itself, and eventually over billions of years through countless variations turned into either a chicken or an egg. They just don't know.
Hmm...that sounds kind of stupid. But the person who told me held advanced degrees in science.

Here is another alternative:

An all-powerful, omniscient supernatural being who cannot be known, who had no beginning or end and is sexually a male, decided to create from nothing an entire universe. He then created a planet and made a creature from dust that was supposed to worship the supernatural being. Forgetting that the creature needed a mate, he later created one from the creature's rib. The creatures did not know right from wrong, so the Being planted a tree that would grant this knowledge, but forbade the creatures from eating of the tree's fruit. They innocently did, and the all-knowing being got angry and evil was allowed to pervade the universe. Suddenly, tigers no longer ate grass, and spiders no longer drank nectar. All the fossil evidence was then planted to see if the creatures faith would hold strong, and physics was distorted to make the universe seem billions of years old for the same devious reason.

The chicken, therefore, was created, and so came before the egg.

If you aren't taught this stuff as a child, you would never believe it or be willing to kill for it.

Right and one of these animals had a mutant egg that turned out to be a chicken. Therefor: Egg!