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Heredity Vocabulary
Review Key Terms for Variations in Traits
Term | Definition |
---|---|
Phenotype | The physical appearance of an organism. |
Genotype | The genetic makeup of an organism. |
Homozygous Trait | A trait determined by a gene with identical alleles. |
Heterozygous Trait | A trait determined by a gene with different alleles. |
Allele | A single version of a gene inherited from mom or dad. |
Dominant Allele | Allele's that are visible, indicated by an uppercase letter. |
Recessive Allele | Allele's that may disappear, indicated by a lowercase letter. |
Punnett Square | A tool used to analyze possible allele combinations. |