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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
If meselson and stahl's experiment is continued for four generations in bacteria, the ratio of $\frac{15_\text{N}}{15_\text{N}}:\frac{15_\text{N}}{14_\text{N}}:\frac{14_\text{N}}{14_\text{N}} $ containing DNA in the fourth generation would be:
  • A
    0 : 1 : 7
  • B
    0 : 1 : 3
  • C
    1 : 4 : 0
  • D
    1 : 1 : 0
✓

Answer

  1. 0 : 1 : 7

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