| A | B |
| Heredity | The passing of traits from parent to offspring. |
| Alleles | The different form of the trait. |
| Genetics | The study of how alleles affect generations of offspring. |
| Dominant | Ruling, governing, or controlling; having or exerting authority or influence. |
| Recessive | Tending to go, move, or slant back. |
| Punnett Square | A handy tool used to predict result in genetics. |
| Genotype | The genetic make up of an organism or group of organisms reference to a single trait. |
| Homozygous | An organism with two alleles for a trait that are exactly the same. |
| Heterozygous | An organism that has two different alleles for a trait. |
| Phenotype | The physical trait that shows as a result of a particular genotype. |