However, this result was consistent with both semiconservative and dispersive replication.
2.
This was inconsistent with dispersive replication, which would have resulted in a single density, lower than the intermediate density of the one-generation cells, but still higher than cells grown only in 14 N DNA medium, as the original 15 N DNA would have been split evenly among all DNA strands.
3.
Semiconservative replication would result in double-stranded DNA with one strand of 15 N DNA, and one of 14 N DNA, while dispersive replication would result in double-stranded DNA with both strands having mixtures of 15 N and 14 N DNA, either of which would have appeared as DNA of an intermediate density.
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