noun
- The line of cells that produce gametes (sperm or eggs) and pass genetic material to offspring; the reproductive cells and their precursors in an organism.
Usage: biology, genetics; often used in contrast to somatic cells
Examples
- Mutations in the germline can be inherited by future generations.
- The germline is distinct from somatic cells, which do not pass traits to offspring.
- Germline editing raises ethical questions about modifying human heredity.
- Cancer can originate in germline cells or in somatic tissues.
- Scientists study germline development to understand how organisms reproduce.
- Germline mutations are responsible for many hereditary diseases.