| A | B |
|---|
| chromosomes | genetic material |
| homozygous | 2 alleles are the same |
| heterozygous | 2 alleles are different |
| hybrid | different alleles from parents; mixture |
| purebred | same genetic traits passed from one generation to next |
| characteristic | notable feature or quality |
| genotype | genetic makeup |
| sex linked gene | allele is on a sex chromosome |
| Punnett Square | used to predict offspring results |
| alleles | gene formmation on chromosome |
| gene mutation | sudden spontaneous change in cells genetic sequence |
| chromosome | contains genetic material |
| TT | homozygous |
| Tt | heterozygous |
| heredity | passing of traits from parent to offspring |
| genetics | study of heredity |
| XY | male |
| XX | female |
| physical characteristic | hair/eye color, height |
| behavioral characteristic | way one acts |
