| A | B |
| dominant | stronger trait |
| recessive | trait masked or covered |
| homozygous/purebred | gene with same allele combination |
| heterozygous/hybrid | gene with different allele combination |
| gene | set of instructions for a trait |
| allele | different forms of a gene |
| Punnet square | a diagram to predict possible outcomes |
| trait | a physical or behavioral characteristic |
| heredity | passing of traits from parent to offspring |
| genetics | study of inherited traits |