| A | B |
|---|
| Trait | A specific characteristic that an organism can pass to its offspring through its genes. |
| Gene | A sequence of DNA that determines a trait and is passed from parent to offspring. |
| Dominant allele | An allele whose trait always shows up in the organism when the allele is present. |
| recessive allele | An allele that is hidden whenever the dominant allele is present. |
| DNA | The genetic material that carries information about an organism and it passed from parent to offspring. |
| Genotype | An organism’s genetic makeup, or allele combinations. |
| phenotype | An organism’s appearance, or visible traits. |
| meiosis | The process that occurs in the formation of sex cells by which the number of chromosomes is reduced by half. |
| mitosis | The second stage of the cell cycle, during which the cell’s nucleus divides and one set of DNA is distributed into each daughter cell |
| Heredity | The passing of traits from parents to offspring |
