Ch. 6: The Best-Laid Plans

It was very interesting to read again about how our bodies are formed. It was amazing to learn about the discoveries made by experimenting with the embryos. I was surprised to find out that our organs and other cells are produced from only three layers. Hilde Mangold's experiment was also very fascinating. I never knew that a tiny piece of tissue (the organizer) could hold such ability to create a whole body. There are so many relations between humans and other animals that I have never known. So many genes or other parts of our inner body are found inside of such different animals. It's amazing how much one can learn by observing embryos. I find it so interesting how Shubin introduces structures of creatures that we would never consider to be like us in any way, but then explains how we are much more similar than we think.