Question

Who proved that DNA is genetic material?

Answer 1

DNA:

1. DNA is a double-stranded helix genetic material.
2. The first scientists to prove that DNA is a genetic materials were Alfred Hershey and Martha Chase in 1952.
3. They experimented with viruses infects bacteriophages.
4. Firstly, they grew some viruses with radioactive phosphorus and some with radioactive sulfur.
5. Then these viruses with radioactive materials were introduced into the bacteriophage.
6. The DNA with radioactive phosphorus replicated within the bacteriophages, thus, verifying that DNA is the genetic material.