DNA and Replication. History of DNA. Early scientists thought protein was the hereditary material Protein is more complex than DNA Proteins are composed of 20 different amino acids in long polypeptide chains. Transformation.
bacteriophage viruses to
prove DNA is the genetic material
DNA replication takes
place in the S phase.
-telophaseSynthesis Phase (S phase)
Parental DNA Molecule
New DNAReplication is Semiconservative
Watson & Crick suggested: