Question = what is the genetic material? >> hypothesis = it is composed of DNA >> experimentation = use of radioactive isotopes. It was discovered by Avery by observing bacterial transformation.
The scientific method is a series of steps used to collect scientific evidence in favor of a hypothesis.
A hypothesis is a given explanation about an observation that emerged by analyzing the natural world.
By using the scientific method, Avery showed that DNA is responsible to store the genetic information in bacteria across generations.
Learn more about the scientific method here:
https://brainly.com/question/17216882