| A | B |
| Gene | 2 alleles in identical locations on a chromosome |
| Genotype | The combination of alleles |
| Dominant | The trait that is most common |
| Recessive | The trait you only get with 2 lower case alleles |
| Homozygous Dominant | HH |
| Homozygous Recessive | hh |
| Heterozygous | Hh |
| Trait | The way a feature is different |
| Feature | A behavior, structure, or characteristic |
| DNA | The inheritance messenger |
| Variation | Differences |
| Inheritance | Passing genetic info to offspring |
| Nucleus | The "brain" of the cell |
| Organelles | Tiny structures inside cells |
| Chromosomes | Coils of DNA |
| Allele | an active location on a chromosome |
| Phenotype | what the trait looks like |
| Offspring | The "children" of the parents |
| Punnett Square | A diagram used to predict offspring |