To Be Useful for Phylogenetic Reconstruction, a Taxonomic Character Must

Multiple Choice

To be useful for phylogenetic reconstruction, a taxonomic character must exhibit which of the following properties?

A) It must vary among the taxa being analyzed, but not within individual taxa.
B) It must have a genetic basis.
C) It must be anatomical.
D) It must be molecular (DNA or protein) .
E) None of the other answer options is correct.