Question

hershey and chase experiment was based on which principle?​

Answer 1

Answer:

experiments concluded that DNA , not protein , was genetic material.

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Answer 2

Hershey and Chase experiment was based on the principle that when a virus attacks a bacteria, it transfers its genetic material to transform the host.

• The genetic material was founded by Alfred Hershey and Martha Chase.
• They used radioactively labeled bacteriophages.
• Some viruses had radioactive phosphorus while others had radioactive sulfur.
• When these viruses attacked E.coli they transferred their genetic material to control the host bacteria.
• When the bacterias were centrifuged, only radioactive phosphorus was detected and no traces of sulfur were found.
• Phosphorus is present only in DNA and sulfur is present only in proteins.
• Thus, it was concluded that DNA was transferred to bacteria.