Unless the chicken comes first. But to settle that age-old debate, it would have to be the egg that came before the chicken. As chicken-like birds evolved along the evolutionary scale a female bird that was not quite genetically a chicken laid the egg that would hatch to become the first genetically certifiable chicken, perhaps after mating with a not quite a chicken rooster and the embryo inside the egg, for whatever reason, mutated into the first chicken.
What they are thinking is "Please let me grow up to lay eggs and not be a 6 piece white & dark special at Popeyes.
I Shit you not, in my last job I was a recruiter for a staffing agency, I got a resume from this country gal and a job description she had for one of her jobs was "sexing baby chicks" I laughed my Ass off.
