replication

noun
1
the act of copying something exactly; the copy that is made
تکرار, کپی کردن, همسان‌سازی, رونوشت, بازتولید
2
the process by which a biological unit, for example a virus or molecule, produces exact copies of itself
تکثیر, بازتولید
Vitamin B is essential for proper cell replication and growth.