Which of the Following Statements About Hox Genes Is INCORRECT

Which of the following statements about Hox genes is INCORRECT?

A) All Hox genes found in organisms other than Drosophila have a conserved pattern of identical clustered arrangements.
B) When a vertebrate Hox gene is moved to a new location within the Hox gene complex, the timing of its expression is altered.
C) The Hox genes encode transcription factors that help to determine the identity of the body region.
D) They are usually organized as clusters and the order on the chromosome is important for their expression pattern.
E) The recent studies suggest the role of miRNA in controlling the expression of some Hox genes.