What is a bacteriophage and why was it relevant in the Hershey-Chase experiments?

• A. A bacteriophage is a virus that infects bacteria, used to demonstrate DNA as genetic material.
• B. A bacteriophage is a type of bacteria that carries viral DNA.
• C. A bacteriophage is a protein that binds to bacterial DNA.
• D. A bacteriophage is a bacterial enzyme that degrades viral DNA.

Answer: (A)