ID: Class: 12 Subject: Biology Topic: Molecular Basis of Inheritance Type: Mcq Year: 2025

Question:

If Meselson and Stahl's experiment is continued for $80$ minutes (till III generation) then what would be the ratio of DNA containing $N^{15}/N^{15} : N^{15}/N^{14}:N^{14}/N^{14}$ in the medium ?
  • A. 1:1:0
  • B. 0:1:3
  • C. 0:1:8
  • D. 1:4:0