| A | B |
| heredity | passing down of traits from parents to offspring |
| chromosome | in a nucleus; holds info. about organism's traits |
| gene | bits of information in a chromosome |
| egg cell | female sex cell |
| sperm cell | male sex cell |
| characteristic | quality/feature of a person |
| genotype | combination of letters for a trait |
| phenotype | what letters mean; what we can SEE |
| dominant | traits that will always show in a person |
| recessive | traits that are not shown in a person |