| A | B |
|---|
| trait | a quality or characteristic that makes one organism different from another |
| dominant trait | the trait that an organism has if the dominant gene for that trait is present |
| recessive trait | a trait that is NOT expressed or shown in the offspring |
| gene | a specific section of a chromosome that controls a particular inherited trait or process ex: color of eyes |
| dominant gene | in a pair of genes, the one that determines a triat in an organism if it is present |
| recessive gene | in a pair of genes, the one that is masked if the dominant gene is present |
| genetics | the study of how the traits of an individual are passes on to its offspring through genes |
| selective breeding | crossing carefully chosen plants or animals to produce offspring with certain desirable traits |
| inherited trait | a specific characheristic or trait that was received through heredity from an individual parent |
| heredity | the passing on of the parents' traits to their offspring |
| natural selection | the ongoing natural process in which the best suited organisms survive to reproduce and carry on their species |
| mutation | a change in genes that produces a trait in an animal or plant that did NOT appear in its parents |
