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Genetics Vocabulary
Basic Genetics Vocabulary
| Term | Definition |
|---|---|
| Gene | A segment of DNA that codes for a protein. |
| Recessive | Must inherit two alleles in order to express the trait. |
| Genotype | Describes the genetic combination of alleles. |
| Dominant | Only one allele is needed to express the trait. |
| Trait | A physical property we can observe (eye color, skin color, etc) |
| Homozygous | Both alleles are the same. |
| Phenotype | Describes the physical appearance of the organism. |
| Heterozygous | Each allele is different. |
| Chromosome | Contains tens to thousands of genes. |
| Allele | Alternate forms of a gene. |