The Proteobacteria are phylogenetically diverse. Interestingly, closely-related organisms may have very different metabolisms while similar metabolisms are spread throughout the various classes of the phylum. What process most likely contributed to these similarities?

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna. b) they study alleles that contain genes, which are chromosomes. c) they study chromosomes that contain genes, which are dna segments.