| A | B |
|---|
| Homozygous | Two of the same allele (also called purebred) |
| Heterozygous | Two different alleles (also called hybrid) |
| Allele | Different forms of a gene |
| Purebred | Two of the same allele (also called homozygous) |
| Hybrid | Two different alleles (also called heterozygous) |
| Phenotype | Physical appearance of an organism |
| Genotype | Genetic makeup of an organism |
| Dominant Allele | Allele that can mask another allele |
| Recessive Allele | Allele that can be masked by another allele |
| Mitosis | Form of asexual reproduction |
| Meiosis | First step in sexual reproduction |
| Fertilization | Joining of male and female sex cells |
| Gene | Section of DNA that determines traits |
| Genetics | Study of heredity |
