Which Gene Provides an Example of the Phenomenon of Heterochrony

Multiple Choice

Which gene provides an example of the phenomenon of heterochrony?

A) A gene whose expression causes legs to form
B) A gene whose expression inhibits the formation of legs
C) A gene whose expression causes one segment to start growing sooner than it would in the absence of that gene expression
D) A gene whose expression affects more than one module
E) A gene that is expressed in a larger number of cells,causing a larger structure to form