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SVETLANKA909090
9 days ago
6

n 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?
Biology
1 answer:
Rainbow [1.7K]9 days ago
5 0
DNA replication follows a semi-conservative model, indicating that after replication, each new DNA molecule consists of one parent strand and one newly synthesized strand. After two rounds of replication, 50% of the DNA will contain one heavy strand (with 15N) and one light strand (with 14N).
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