The age-old question of whether the chicken or the egg came first has puzzled philosophers and scientists for centuries. From a biological perspective, the answer is that the egg came first. This is because the evolutionary ancestors of chickens, such as dinosaurs and other reptiles, were already laying eggs before the first true chickens evolved. Therefore, it is likely that the first chicken egg was laid by a bird that was not quite a chicken, but rather a transitional species that was genetically similar to a chicken.
However, from a more philosophical perspective, the answer could be argued either way. Some people might argue that the chicken had to come first, as it was needed to lay the egg, while others might argue that the egg had to come first, as it was needed to hatch the first chicken. Ultimately, it depends on how you define "chicken" and "egg" and which perspective you take