VERTICAL INHERITANCE. “In classical multi-cellular eukaryotes biology, organisms acquire new hereditary material precisely once, when genetic material is transmitted from parent to progeny during the formation of the zygote. This produces a genetically novel cell that will form the clonal basis for the new Weismannian individual to come.”
https://standardsingenomics.biomedcentral.com/articles/10.1186/s40793-016-0180-8