Metaphase:

The chromosomes line up in the
central region of the cell at the
equatorial plane. The equatorial
plane is represented here by the
guideline.

1.  Click and drag the yellow chromosome
     to the upper portion of the guideline.

2.  Click and drag the red chromosome
     to the lower portion of the guideline.

3.  Click here after the chromosomes 
     have been properly positioned.