Researchers at the Crick have identified a key step in the development of mammalian embryos, shedding light on how mammals have evolved to generate placentas, among other features.
www.crick.ac.uk/news-and-fea...
Researchers at the Francis Crick Institute have revealed insight into why embryos erase a key epigenetic mark during early development, suggesting this may have evolved to help form a placenta.
