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| Term | Definition |
|---|---|
| genetics | study of heredity |
| trait | variation of a particular inherited characters |
| allele | alternative form of a gene |
| hybrid | offspring of 2 different true-breeding varieties |
| genotype | genetic makeup of an organism |
| PHENOTYPE | observable traits of an organism. |
| homozygous | having identical allele for a gene |
| heterozygous | having different alleles for a gene |
| dominant | descriptive of an allele in a heterozygous individual that appears to be affecting a trait. |
| recessive | descriptive of an allele in a heterozygous individual that does not appear to affect a trait |
| Punnett square | diagram showing the probabilities of the possible outcomes of a genetic cross |