Nucleic Acids and the Genetic Material Problem Set

Nucleic Acids and the Genetic Material Problem Set 1

Problem 6: Meselson-Stahl DNA replication experiment

In the Meselson-Stahl DNA replication experiment, if the cells were first grown for many generations in ¹⁵N containing media, and then switched to ¹⁴N containing media, what percent of the DNA had 1 light strand and 1 heavy strand after 2 generations of growth in ¹⁵N growth media?

A 0
B 25
C 50
D 75
E 100

The Biology Project
University of Arizona
Thursday, October 3, 1996
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