A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 8 picograms of DNA per nucleus. Those cells would have __________ picograms at the end of the S phase and __________ picograms at the end of G₂.
A)8; 8
B)8; 16
C)16; 8
D)16; 16
E)12; 16

Question

Quizplus · Accepted Answer

During the S phase, DNA is replicated, doubling the DNA content from 8 to 16 picograms. This amount remains the same at the end of G₂, as no further DNA replication occurs after the S phase.

A Group of Cells Is Assayed for DNA Content Immediately