What is the evolutionary purpose of cells that undergo crossing over?

During crossing over, two homologous chromosomes pair to form which of the following choices?

Crossing over occurs during which stage of meiosis?

During which step of cell division does crossing over occur?

What structures exchange genetic material during crossing over?

Crossover of homologous chromosomes in meiosis occurs during which phase?

Chromosomal crossover occurs in which phase of meiosis?

Crossing over is a phenomenon that happens during Meiosis I in the attempt to create genetic diversity. Crossing over typically occurs between which of the following structures?

When in meiosis does crossing over occur?