After two generations of replication in the Meselson and Stahl experiment, what was the composition of the two bands? A) One band was all ¹⁴N and one band was all ¹⁵N. B) One band was all ¹⁴N and one band was half ¹⁴N and half ¹⁵N. C) One band was all ¹⁵N and one band was half ¹⁴N and half ¹⁵N. D) One band was all ¹⁴N and one band was one quarter ¹⁴N and three quarters ¹⁵N. E) One band was all ¹⁵N and one band was one quarter ¹⁴N and three quarters ¹⁵N.

Question

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After two generations, there is one band of DNA that is all ¹⁴N and another band that is hybrid, containing half ¹⁴N and half ¹⁵N, demonstrating semi-conservative replication.

After Two Generations of Replication in the Meselson and Stahl