| A | B |
| Asexual Reproduction | A method of reproduction in which all the genes passed on to the offspring come from a single individual or parent |
| Biotechnology | The combination of technology and biological sciences |
| Bond | The chemical link between atoms that |
| Chromosome | A thick, threadlike structure that contains genetic information in the form of DNA |
| Clone | An organism that is genetically identical to the organism from which it was produced |
| DNA | The material found in all cells that contains genetic information about that organism |
| Egg | A sex cell produced by a female |
| Expressed | The way that an unseen gene is seen in an organism as an actual physical trait |
| Genes | A segment of DNA (on a chromosome) that contains that code for a specific trait |
| Genetic Engineering | A set of technologies that humans use to alter the genetic instructions of an organism by substituting DNA molecules |
| Genetic Recombination | The formation of a new combination of genes during sexual reproduction |
| Heredity | The passing off traits from parents |
| Mutation | Any alteration in the sequence of DNA |
| Replicate | To copy |
| Selective Breeding | The process of choosing a few organisms with desirable traits to serve as the parents of the next generation |
| Sexual Reproduction | A method of reproduction that involves two parents to produce offspring that are genetically different |
| Sperm | The male sex cell |
| Subunit | The section of a DNA molecule that contains a sugar, a phosphate, and a base |
| Template | The pattern for a new molecule |
| Traits | A characteristic that is passed from parent to offspring through the genes |