Which Statement Is True About Homeotic Genes

Multiple Choice

Which statement is true about homeotic genes?

A) Each homeotic gene has a variable region and a sequence called the homeobox that is very similar in all such genes.
B) They have been found in almost all eukaryotic organisms.
C) All homeotic genes are thought to be derived from an original DNA sequence that has been highly conserved in evolution because of its importance to animal evolution.
D) They are sequentially arranged on the chromosome in the same sequence they are activated during development of the embryo in Drosophila.
E) All the answer choices accurately describe homeotic genes.