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:

In mitosis, after chromosomes are formed, during metaphase the chromosomes attach to the spindle fibers by their centromeres. Prophase is when chromosomes condense and the spindle apparatus begins to form. Anaphase is when sister - chromatids separate. Telophase is the final stage where the nuclear envelope reforms.

Answer:

metaphase