In 1952, Alfred Hershey and Martha Chase took an effort to find the genetic material in organisms. Their experiments
led to an unequivocal proof to DNA as genetic material.
Answer the following questions based on Hershey and Chases's experiments:
i. Name the kind of virus they worked with and why?
ii. Why did they use two types of culture media to grow viruses in? Explain.
iii. What was the need for using a blender and later a centrifuge during their experiments? OR
iv. State the conclusion drawn by them after the experiments.