Meiosis

• How do gametes end up with only one copy of each chromosome?

  They divide by meiosis, it involves two cell divisions
• How many gametes are left after both cell divisions?

  4
• What happens in the first cell division?

  The chromosome pairs line up and get pulled apart so each cell only has one copy of each cell
• What happens in the second cell division?

  The chromosomes line up again before their arms are pulled apart leaving 4 gametes