| A | B |
| alleles | different forms of a trait that a gene may have |
| genetics | the study of how traits are inherited |
| dominant | the form of a trait that covers up another trait |
| recessive | the form of a trait that can be hidden or disappears |
| Punnett square | tool used to predict results of genetic crosses |
| genotype | the genetic makeup of an organism |
| phenotype | what an organism looks like as a result of its genes |
| homozygous | an organism with two of the same alleles |
| heterozygous | an organism with two different alleles |
| incomplete dominance | a type of inheritance where the heterozygous genotype shows a blended phenotype |