|  | How 
              is DNA used to identify a suspect? |   | 
           
            |  | What 
              is the chromosome number of the brook trout? |   | 
           
            |  | What 
              is aneuploidy and what human diseases have been associated with 
              it? |   | 
           
            |  | How 
              does genetic counseling help parents that may have a child at risk 
              for a certain genetic condition? |   | 
           
            |  | What 
              is gene therapy and how does it work? |   |