Q.
If Meselson and Stahl’s experiment is continued for four generation in bacteria, the ratio of
containing DNA in the fourth generation would be
A) 0 : 1 : 7
B) 1 : 2 : 1
C) 1 : 1 : 1
D) 1 : 0 : 1
Explanation
First generation – [image:6_image90.wmf] Second generation – [image:6_image91.wmf] Third generation – [image:6_image92.wmf] Fourth generation – [image:6_image93.wmf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.