Question

after chromosomes are formed, during which phase of mitosis do the chromosomes attach to the spindle fibers by their centromeres?
anaphase
prophase
metaphase
telophase

Explanation:

• Anaphase: Chromatids separate and move to opposite poles.
• Prophase: Chromosomes condense, nuclear envelope breaks down.
• Metaphase: Chromosomes align at the equatorial plane and attach to spindle fibers via centromeres.
• Telophase: Nuclear envelopes reform, chromosomes de - condense.

Answer:

C. metaphase