In the Meselson-Stahl Experiment, Which Observation Ruled Out the Conservative

question 65

Multiple Choice

In the Meselson-Stahl experiment, which observation ruled out the conservative model of DNA replication?

• A) No completely "heavy" DNA was observed after the first round of replication.
• B) No completely "light" DNA ever appeared, even after several replications.
• C) The product that accumulated after two rounds of replication was completely "heavy."
• D) Completely "heavy" DNA was observed throughout the experiment.
• E) Three different DNA densities were observed after a single round of replication.

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