Mitosis Unit test:

Question

Examine the image below of cell cycle, and pay special attention to the phase circled and indicated by the black arrow. in 2 short sentences, identiffy the circled phase and explain why this phase is necessary for the remainder of the cycle to occur correctly.
The circled phase is DNA duplication

Answer 1

The circled phase is the S phase (synthesis phase) of the cell cycle, where DNA replication occurs. This phase is necessary because it ensures that each daughter cell receives an identical set of chromosomes, which is crucial for maintaining genetic consistency during cell division.