The germ cell lineage is unique as it is the cell lineage that ensures the continuation and the variation of genetic information from one generation to the next. Primordial germ cells are the stem cell precursors of this lineage differentiating into mature spermatozoa and oocytes in the adult. The recent development of cell culture conditions for the extended propagation of chicken pr... https://www.spidertattooz.com/Bolt-Action-San-Marco-Marines-Infantry-Section/