The recipe for Chocolate Chip Cookies relates to the text in that, Shubin compares a recipe that that is passed down from generation to generation, with enhancements made, with evolution or a recipe that builds our bodies that has been passed down, modified, for eons.
The statement is incorrect because it is productive to repeat experiments because it increases the accuracy of said experiment, and it can help prove the hypothesis.
Scientists can make mistakes and learn new findings by repeating old experiments. New ideas may result from repeated experiments. By researching unrelated things, you can learn new things like how we are similar to sea anemones.
Sea anemones have radial symmetry while humans have bilateral symmetry, but they still have “similar” body plans because they have a front and back as we do, this body plan was set up by versions of the same body-building genes.