It seems everyone who believes in evolution answers egg and everyone who
believes in creation answers chicken and if you believe in both you say they
are in sync.
Don't know about the Rooster, but there may be something there. Cant have an
egg without a rooster.
I think the chicken came first.
This is actually a very serious question debated by people in history from Aristotle
to Stephen Hawking, see link below.
Chicken or the egg - Wikipedia, the free encyclopedia