For 10 points, identify process distinct from mitosis where a cell divides to form gametes.
Bidelloid rotifers are unusual in that they do not undergo this process, and in order for this process to be successful, there must be at least one recombination nodule for each bivalent.  It is the opposite process of syngamy, and in one part of the second stage of this process, dyads are moved to opposite poles of the cell.  Nondisjunction in the process can lead to aneuploidy where entire chromosomes are either gained or lost.  It does not result in DNA synthesis, and in animals it is primarily used to create eggs and sperm.  For 10 points, identify process distinct from mitosis where a cell divides to form gametes.
Bidelloid rotifers are unusual in that they do not undergo this process, and in order for this process to be successful, there must be at least one recombination nodule for each bivalent.  
{Meiosis}