You are given a sentence in Polish. Your job is to translate the Polish sentence into Spanish.
Q: Jeden nazywa się RELN - bierze udział w replikacji we wczesnej fazie rozwoju.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Uno se llama RELN... participa en las claves tempranas del desarrollo.