Question

question 4
0.5 pts
during metaphase, ____________.
chromosomes line up in the middle of the cell
the nuclear envelope breaks up
centromeres divide
sister chromatids separate

Explanation:

In the metaphase of cell - division, chromosomes line up at the cell's equatorial plate (middle of the cell). The nuclear envelope breaks up in prophase. Centromeres divide and sister chromatids separate in anaphase.

Answer:

chromosomes line up in the middle of the cell