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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
A DNA molecule in which both strands have 14N is allowed to replicate in an environment containing 15N. What will be the exact number of DNA molecules that contain the 14N after three replications?
  • A
    One
  • ✓
    Two
  • C
    Four
  • D
    Eight
✓

Answer

Correct option: B.
Two
Two

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