Measurements of the amount of DNA per nucleus were taken on a large number of cells from a growing fungus. The measured DNA levels ranged from 3 to 6 picograms per nucleus. In which stage of the cell cycle did the nucleus contain 6 picograms of DNA?
A) G₀
B) G₁
C) S
D) G₂
E) M

Question

Quizplus · Accepted Answer

During the G₂ phase, the DNA content is doubled after the S phase, so the nucleus would contain 6 picograms of DNA, indicating that DNA replication has been completed.

Measurements of the Amount of DNA Per Nucleus Were Taken