An organism or cell that has undergone a change in its genetic structure.

The act of replacing one thing with another.

प्रतिस्थापन

English Usage: The coach's substitution of the player changed the dynamics of the game.

Hindi Usage: कोच का खिलाड़ी का प्रतिस्थापन खेल की गतिशीलता को बदल दिया।