| A | B |
|---|
| Heredity | passing of traits:parent to offspring |
| Trait | a characteristic that an organism can pass on to its offspring |
| Genetics | scientific study of heredity |
| Fertilization | egg cell and sperm cell join |
| Purebred | offspring of many generations that have the same traits. |
| Gene | information that controls a trait |
| Alleles | different forms of genes |
| Dominant allele | trait that ALWAYS show up |
| Recessive Allele | an allele that is masked when a dominant allele is present |
| Hybrid | has 2 different alleles for a trait |
| Phenotype | physical apperarance, visible traits |
| Homozygous | Two identical alleles |
| Heterozygous | Two different alleles |
