| A | B |
| Gene expression | information encoded in a gene first into |
| Inheritance | getting traits genetically from parents to offspring |
| Incomplete Dominance | heterozygous phenotype that is a blend of the two homozygous phenotypes |
| Genotype | collection of all of an organisms genetic information that codes for traits |
| Genetics | study of the patterns and variations of organisms |
| Multiple Alleles | Any of a set of 3 or more alleles or alternative states of a gene only two of which can be present in a diploid organism |
| Phenotype | collection of all of an organisms physical characteristics |
| Polygenetic Trait | Trait that is produced by two or more genes |
| Sex-linked trait | a trait genteically determined by an allele, located on the sex chromosome |
| Selective Breeding | breeding animals and plants for particular traits |
| Recessive | allele that is not expressed unless two copies are present in an organisms genotype |