Question

Which of the following occurs first in meiosis?

1. Homologous chromosomes line up in the center of the cell.
2. Chromosomes line up in the middle of each cell.
3. Crossing over between segments of homologous chromosomes.
4. Chromosomes are pulled to opposite poles of the cell.

Answer 1

Crossing over between segments of homologous chromosomes.

Step-by-step explanation:

Crossing over happens during prophase I of meiosis I