DNA replication is a semi-conservative process.This means that after replication, ________.

Question

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Semi-conservative replication means that each new DNA double helix consists of one old strand and one new strand. This has been experimentally proven by Meselson and Stahl in 1958. Option A is incorrect because both new strands cannot be old strands. Option C is incorrect because this would mean that after two rounds of replication, there would be less than 1% of the original DNA left. Option D is incorrect because both new strands cannot be new.

DNA Replication Is a Semi-Conservative Process