During spermatogenesis in most animals. the basic proteins associated with DNA are continuously changing and somatic-typed histones are partly replaced by sperm-specific histones. which are then successively replaced by transition proteins and protamines. With the replacement of sperm nuclear basic proteins. https://www.roneverhart.com/The-Classic-Hoodie-Pistachio-Trufit-Pilates-Center-Chest-Wrist-White/