bio.q - recall

[ArchivalUser]

a bectera which had been grown for long period of time in medium containg radioactive phosphate ,were switched to medium unlabel phosphate and allowed to grow for three more generation (i-e undergo three doubling ) what fraction of DNA molecule in this culture wouldbe radioactive at the conclution of experiment
A 12.5%
B 25 %
C 50%
D 75%
E 100%
F 125%

[ArchivalUser]

aaa
1st gen 50%
2nd gen 25%
3rd gen 12.5

[ArchivalUser]

A

1/2,1/4,1/8 .... ??

[ArchivalUser]

correct..ans A