| A | B |
|---|
| Heredity | The passing of traits from parent to offspring |
| Trait | A characteristic that an organism can pass on to its offspring through its genes |
| Genetics | The scientific study of heredity |
| Fertilization | The joining of sperm and an egg |
| Purebred | The offspring of many generations that have the same traits |
| Gene | The set of information that controls a trait |
| Allele | The different forms of a gene |
| Dominant allele | An allele who's trait always shows up in the organism when the allele is present |
| Recessive allele | An allele that is masked when a dominant allele is present |
| Hybrid | An organism that has 2 different alleles for a trait |
| Phenotype | An organism's physical appearance or physical traits |
| Genotype | An organism's genetic makeup or allele combo |
| Homozygous | Having 2 identical alleles for a trait |
| Heterozygous | Having 2 different alleles for a trait |
