What happens during prophase ?

A good few things in preparation for the next phase.

Explanation:

Prophase is the first phase of cell division. A few key things happen here, primarily:

The chromosomes become visible as paired chromatids.

The nuclear envelope disappears.

Meiotic spindles begin forming.

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.