After the first replication was observed in their experiments testing the nature of DNA replication, Meselson and Stahl (1950s) could be confident of which of the following conclusions?
A) Replication is semi-conservative.
B) Replication is not dispersive.
C) Replication is not conservative.
D) Replication is neither dispersive nor conservative.

Question

Quizplus · Accepted Answer

The first replication in the Meselson-Stahl experiment showed an intermediate density band, ruling out conservative replication, which would have shown separate heavy and light bands.

After the First Replication Was Observed in Their Experiments Testing