Modularity Is Important for Development Because It

Modularity is important for development because it

A) guarantees that all units of a developing embryo will change in a coordinated way.
B) coordinates the establishment of the anterior-posterior axis of the developing embryo.
C) allows changes in developmental genes to change one part of the body without affecting other parts.
D) guarantees that the timing of gene expression is the same in all parts of a developing embryo.
E) allows organisms to be built up one module at a time.