What is the main function of the spindle fibers during mitosis?

Question

What is the main function of the spindle fibers during mitosis?

1. A. To separate the chromosomes (Correct answer)
2. B. To synthesize new DNA
3. C. To repair damaged DNA
4. D. To regulate cell growth

Correct Answer

Option A — To separate the chromosomes

Detailed Solution & Explanation

The correct answer is To separate the chromosomes.

Key Points

• During mitosis the spindle fibres attach to the kinetochores of the chromosomes and pull the sister chromatids apart.
• Their main function is thus the separation (segregation) of chromosomes to the two poles.