Scientists uncover early steps of totipotency in sperm precursors

[News]

In the body, a skin cell will always be skin, and a heart cell will always be heart. But in the first hours of life, cells in the nascent embryo become totipotent: they have the incredible flexibility to mature into skin, heart, gut, or any type of cell.

More... (http://www.news-medical.net/news/20140520/Scientists-uncover-early-steps-of-totipotency-in-sperm-precursors.aspx)