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 was the nucleus with 6 picograms of DNA?
A)G₀
B)G₁
C)S
D)G₂
E)M

Question

Quizplus · Accepted Answer

The nucleus with 6 picograms of DNA is in the G₂ phase, as this phase follows DNA replication (S phase), resulting in doubled DNA content before mitosis.

Measurements of the Amount of DNA Per Nucleus Were Taken