chapter 5 section 1-2
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8 terms
Terms | Definitions |
|---|---|
 heredity | the passing of genetic traits from parent to offspring |
| dominant trait | the trait observed in the first generation when parents that have different traits are bred. |
| recessive trait | A trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bred |
| gene | the set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait |
| allele | one of the alternative forms of a gene that governs a characteristic, such as hair color |
| phenotype | an organism's physical appearance, or visible traits |
| genotype | the entire genetic makeup of an organism; also the combination of genes for one or more specific traits |
| probability | the likelihood that a possible future event will occur in any given instance of the event |
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