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DCES GENETICS
Genetics Unit Vocabulary
| Term | Definition |
|---|---|
| Traits | These are characteristics of all living things. A physical characteristic. Traits are determined by genes. All genes consist of DNA(deoxyribonucleic acid). |
| Inherit | to receive traits from parents. An inherited trait are those that are passed from parent to offspring. |
| Heredity | Passing of traits from one generation to the next. |
| Genotype | The gene pair for a given trait |
| Phenotype | A description of a trait. |
| Chromosome | A rod shaped structure in the nucleus of a cell that contains DNA. |
| Gene | Part of a Chromosome that that determines hereditary traits. Instructions for a particular trait. |
| Gene Site | The site where the gene is positioned on the chromosome. |
| Dominant Gene | a gene for which the trait always appears(dominates when present) |
| Recessive Gene | a gene for which the trait only appears when the dominant gene is not present. |
| DNA (Deoxyribonucleic Acid) | Chemical molecules in chromosomes that control cell activity and determine hereditary traits. |
| Allele | one of several different forms of a specific gene. |
| Offspring | babies of parents |
| Behavior | way of acting |
| Instinct | Inherited behavior |
| Gregor Mendel | Father of Genetics |