| A | B | 
|---|
| hybrid | EX: Tt, always one large case  and small case letter | 
| heterozygous | hybrid | 
| pure | ex: TT, tt “same size of letters” | 
| homozygous | pure | 
| alleles | different version of the same gene for a trait | 
| domiant | large capital letter to represent an allele | 
| recessive | small lower case letter to represent an allele | 
| phenotype | physical expression of a gene  EX: blue eyes | 
| genotype | genetic expression of a gene | 
| gametes | the sides of a punnett square represent this | 
| Codominance | also known as Incomplete Dominance, a mixture of both allele traits occur | 
| an example of an allele | a big "T" or a small "T" | 
| normally there are _____ alleles for every trait | 2 |