At which one of the following stages of the cell cycle does a chromosome develop into two sister chromatids?
A) mitotic phase
B) S phase
C) G₁ phase
D) G₂ phase
E) G₀ phase

Question

Quizplus · Accepted Answer

Sister chromatids are formed during the S phase of the cell cycle, when DNA replication occurs. During this phase, the chromosome is duplicated to form two sister chromatids that are joined at a centromere.

At Which One of the Following Stages of the Cell