gene

Gen

A unit of heredity carried on a chromosome that determines a particular characteristic in an organism.

• Genes are made of DNA.
• She inherited the gene from her mother.
• Scientists are studying the cancer gene.
• Researchers identified a specific gene that regulates the production of insulin, offering potential targets for diabetes treatment.
• The evolutionary biologist explained how a single gene mutation thousands of years ago enabled certain populations to digest lactose in adulthood.
• Agricultural scientists are working to isolate the gene responsible for drought resistance in wild wheat varieties for crop improvement.