A Germline Mutation is any detectable, heritable variation in the lineage of
germ cells.
Mutations in these cells are transmitted to
offspring while those in
somatic cells are not.This distinction is most important in
animals, where germ cells are distinct from somatic cells. However, in
plants, the reproductive cells in a particular flower will be derived from the same
meristem as the cells in that
flower and on the
stem leading to the flower, which is a different population of cells than those that give rise to the other flowers on the plant.
Single-celled organisms have no distinction between germline and somatic tissues.
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A gene change in the body's reproductive cells (egg or sperm) that becomes incorporated into the DNA of every cell in the body of offspring; germline mutations are passed on from parents to offspring. Also called hereditary mutation.
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