| A | B |
|---|
| allele | Half of a genotype or a trait from one parent |
| phenotype | The outward expression of a trait |
| dominant | A trait the appears in the parent generation and offspring |
| recessive | masked by the dominant trait |
| genetics | A branch of biology that deals with heredity |
| genotype | The actual combination of genes represented by letters |
| purebred | an offspring that has a homozygous genotype |
| Punnett Square | A helpful device for predicting results of offspring |
| heredity | The passing of traits from parent to offspring |
| incomplete dominance | Where neither trait is expressed or hidden |
| heterozygous | An organism that has two different alleles for the same trait |
| homozygous | An organism that has the same alleles for the same trait |
| hybrid | An organism that has a heterozygous genotype |
| trait | characteristics of an organism that makes it unique |
