Gene dosage refers to the number of copies of a specific gene that an organism has. It is an important aspect of genetic studies that helps in determining the expression level of genes and their overall impact on an organism's phenotype. There are various synonyms that can be used to refer to gene dosage, such as gene copy number, gene amplification, gene duplication, gene dosage effect, gene balance, and gene dosage compensation. While these terms may have slightly different meanings, they all relate to the concept of gene dosage and the effect it has on an organism. Understanding gene dosage is critical in determining the genetic mechanisms involved in diseases and can aid in developing targeted therapies for genetic disorders.