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 $\ce{DNA}$ in the fourth generation would be:
- ✓$0 : 1 : 7$
- B$0 : 1 : 3$
- C$1 : 4 : 0$
- D$1 : 1 : 0$