| A | B |
| Fertilization | This happens when a sperm and egg "bond" |
| Pleiotropic | A single gene effects a phenotype in multiple ways |
| Four | After meiosis, a diploid testis cell produces this number of sperm |
| Induced Mutation | This describes gene changes resulting from exsposure to a mutagen |
| Chimeric | This describes a mouse having cells from more than one source |
| Transgenic Mouse | This describes a rodent who caries DNA from another species |
| Cycles | Alternate heating and cooling inDNA preperation for PCR analysis |
| Multiple Gene | Kind of inheritance in which numerous genes each have a specific effect on the expression of a trait |
| Twenty | The haploid number of a sperm in a mouse |
| Exon | An expressed coding sequence |