| A | B |
|---|
| homozygous | same version of a particular trait BB or bb |
| heterozygous | different version of a particular trait Bb |
| allele | refers to a trait |
| phenotype | what is actually expressed or seen |
| genotype | what is actually there - letters |
| dominant trait | will overshadow the other and will be expressed |
| recessive trait | will be hidden from the other - not expressed |
| punnet square | test cross - determines probability |
