Dr. Kai Jin is an Assistant Research Fellow and a Master’s Supervisor in the Institutes of Agricultural Science and Technology Development (Joint International Research Laboratory of Agricultural & Agri-Product Safety) at Yangzhou University. He received his BS in Animal Genetics (2011) and PhD in Animal Genetics, Breeding, and Reproduction (2021) from Yangzhou University. From 2018 to 2019, he served as a Visiting Scholar of Pharmaceutical Science at Washington State University. His interests include the molecular mechanism of the origin, development, and differentiation of chicken germ stem cells (embryonic stem cells, primordial germ cells, and spermatogonia stem cells), bona fide factors of chicken sex determination and molecular mechanism, and technology development for chicken sex control and genetic modification.