Physical Expression of Genes

Definition

Physical expression of genes refers to how genetic information manifests itself in observable physical characteristics within an organism.

Related terms

Gene Expression:

This is the process by which information from a gene is used in the synthesis of a functional gene product, often proteins, leading to physical traits.

Allele:

An allele is one of two or more versions of a gene that are found at the same place on a chromosome and control the same characteristic, such as blood type.

Mutation:

A mutation refers to any change in the sequence of DNA. Depending on where they occur and whether they alter gene function, mutations can have no effect, or they can significantly affect an organism's phenotype.