Gene (noun)

1. A unit of genetic information that is located on a chromosome and determines a particular characteristic in an organism.
2. A unit of genetic information that is located on a chromosome and determines a particular characteristic in an organism.
3. A unit of genetic information that is located on a chromosome and determines a particular characteristic in an organism.

Origin:

1909, short for genealogy, from german gen, short for pangen, coined by danish botanist wilhelm johannsen (1857-1927) from greek genos "race, stock, kind" and -en, suffix indicating an agent noun (compare suffix -on in electron), to stress the idea of something that produces or begets something else. genes were originally thought to be units of heredity that determined specific physical characteristics. the modern biological meaning, "a unit of heredity that carries information for the development of a characteristic," is first recorded in 1920.

Examples:

1. The gene for blue eyes is located on chromosome 15.
2. This disease is caused by a genetic mutation in the BRCA1 gene.
3. The researchers are studying the genes that influence a person's risk of developing cancer.
4. The genetic makeup of an organism is determined by the combination of genes inherited from its parents.
5. Scientists are working on gene therapy to cure genetic disorders.