Question

Grading Considerations:

Your answer must include:

2-3 complete sentences
The correct name of the phase indicated by the arrow
An explanation of why this phase is necessary
Answers longer than 4 sentences will not be considered. Answering concisely and to the point is evidence of your understanding of the topic.

Answer 1

The phase is the S phase (synthesis phase) of interphase. It is necessary because the cell duplicates its DNA so that each daughter cell will receive a complete, identical genome during subsequent mitosis, ensuring genetic continuity and correct chromosome number.