Linked from
The 6 pages that link to Somatic cell, each with the reason it gives.
MosaicismRelated: Most mosaic variants are confined to somatic lineages and are not inherited.
ZygoteCompared with: Unlike most somatic cells, a zygote is the initial cell of a new organism.
August WeismannRelated: His theory separated these body cells from the hereditary lineage.
Germ cellCompared with: Somatic cells generally do not pass their DNA directly to offspring.