Answer:
The development of the embryo is what Dawkins means that is performed by the local rules on the cellular level in terms of internal chemistry and tissue development. A small and local unit present in the human body that follows the rules of the on the particular scale.
Dawkins explains that development that various tissues develop and controls other cellular responses during the development of the embryo is in progress. He also suggested that differentiation of the cells is asymmetric cell division.
