| A | B |
| Genotype | Genetic makeup |
| Phenotype | Physical looks |
| Heterozygous | Different genetic makeup |
| Homozygous | Same genetic makeup |
| Homozygous Dominant | AA is an example |
| Homozygous Recessive | aa is an example |
| Recessive Alleles | Hidden traits (forms) of a gene. bb |
| Dominant Alleles | Showing traits (forms) of a gene. DD |
| Recessive Phenotype | Hidden traits for physical looks |
| Dominant Phenotype | Showing traits for physical looks |
| Heredity | The passing of traits from parents to offspring. |
| Asexual Reproduction | Creates offspring identical to itself. |
| Sexual Reproduction | Creates offspring by combining their genetic materials. |
| Allele | The different forms of a gene. |
| Chromosome | Tight bundle made of long strands of DNA stored in the nucleus. |
| Trait | A characteristic that an organism can pass on to its offspring through its genes. |
| DNA | The genetic material that carriers information about an organism. |
| Gene | A part or segment of DNA |