At the point in the cell cycle when mitosis begins
A)DNA replication begins.
B)each chromosome consists of two identical chromatids joined at the centromere.
C)the number of chromosome is reduced to half.
D)the cell enters a dormant phase.

Question

Quizplus · Accepted Answer

At the start of mitosis, each chromosome has replicated into two identical chromatids that are joined at the centromere. This is necessary for the proper separation of genetic material during cell division. None of the other choices are accurate reflections of the events at the start of mitosis.

At the Point in the Cell Cycle When Mitosis Begins