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| Term | Definition |
|---|---|
| heredity | the passing traits from parents to offspring |
| genetics | the study of how traits are passed from parents to offspring |
| dominant trait | a genetic factor that blocks another genetic factor |
| recessive trait | a genetic factor that is blocked by the presence of a dominant factor |
| gene | a section on a chromosome that has genetic information for one trait |
| alleles | The different forms of a gene |
| phenotype | how a trait appears or is expressed |
| genotype | the two alleles that control the phenotype of a trait |
| homozygous | When the two alleles of a gene are the same |
| heterozygous | if two alleles are different |
| punnett square | a model used to predict possible genotypes and phenotype of offspring |