If a completely radioactive double stranded DNA molecule undergoes two rounds of replication in a solution free of radioactive label. What is the radioactivity status of the resulting four double stranded DNA molecules
Correct Answer: 50% of the DNA molecules have no radioactivity
Description: DNA replication is semi conservative. Thus 2 DNA molecules have one strand with radioactivity and other 2 DNA molecules have no radioactivity.
Category:
Biochemistry
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