Thus , the Hershey -- Chase experiment helped confirm that DNA , not protein , is the genetic material .
The progeny of the phages that were labeled with radioactive phosphorus remained labeled , whereas the progeny of the phages labeled with radioactive sulfur were unlabeled .
The Hershey -- Chase experiment helped confirm that DNA , not protein , is the genetic material .
The progeny of the phages that were labeled with radioactive phosphorus remained labeled , whereas the progeny of the phages labeled with radioactive sulfur were unlabeled .