Definition
A totipotent cell is like the ultimate blank slate in biology 🧬. It has the incredible ability to develop into any cell type in an organism, including all the extraembryonic tissues like the placenta. Think of it as having all the potential bundled into one package. This is different from pluripotent cells, which can turn into almost any cell but not all. A single-celled zygote is totipotent, able to create a whole new organism. Pretty amazing, right?