Germ cells
Germ cells ar embryonic precursors that differentiate to prouduce male and female gametes that is carried in the sperm and unfertilized eggs. Differentiation in germ cells gives rise to an individual's unique character.
Reference
T. Schedl. Encyclopedia of Genetics, Germ Cell. 2003 December [cited 2017 December]; Volume null (Issue null): 873-876p. Available from https://www.sciencedirect.com/science/article/pii/B0122270800005632