1. A(n) is an inherited feature that varies from individual to individual. 2. A(n) is one particular variation of a character. 3. Most human genes come in alternate versions called . 4. If an organism has two non-identical versions of a gene, the one that is expressed in the organism is called the allele. 5. If an organism has two non-identical versions of a gene, the one that is not expressed in the organism is called the allele. 6. The physical traits of an organism are called its . 7. The is the genetic makeup of an organism.